Mineralisations in mafic-ultramafic rocks.
Ilmenite, which was mined here, is the dominant ore mineral and occurs as vein fillings or euhedral crystals 1-1.5 cm in size; the mineral is often Mn-rich.

In the Jolotca area, the length of the E–W trending, north-dipping veins varies between a few hundred meters and one kilometer, their width is 5–150 cm, but may occasionally reach up to 20 m. The veins exhibit a complex mineralogical composition: REE- and Nb-Ta-Ti-Fe-bearing phases along with sulphides are the most common minerals.

Note on the mineral list: Szakáll & Kristály (2010) also mention "yttrobetafite-(Y)" and "yttropyrochlore-(Y)."

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Rare Earths

Mineral List

Mineral list contains entries from the region specified including sub-localities

ⓘ 'Amphibole Supergroup'

ⓘ var. Manganese-bearing Calcite

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

ⓘ var. Iron-bearing Dolomite

ⓘ 'Fayalite-Forsterite Series'

ⓘ Hydroxylbastnäsite-(Ce)

ⓘ 'Monazite Supergroup'

ⓘ 'var. Uranpyrochlore (of Hogarth 1977)'

85 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Aeschynite-(Nd)

Formula: Nd(TiNb)O₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Aeschynite-(Y)

Formula: Y(TiNb)O₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Aleksite

Formula: PbBi₂Te₂S₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Alkali amphibole'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

Hirtopanu, P., Bermanec, V., Udubasa, G., & Melgarejo, J. C. (2000). Monazite and Allanite from the Ditrau Alkaline Massif, East Carpathians, Romania. Anuarul Institutului Geologic al Romaniei, 72, 41.

ⓘ Allanite-(Ce)

Formula: (CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

Paulina Hîrtopanu, Robert J. Fairhurst, Gyula Jakab, Sorin Silviu Udubaşa (2017): Monazite-(Ce) and its associations from the Ditrau alkaline intrusive massif, East Carpathians, Romania. Romanian Journal of Mineral Deposits 90, 27-40.

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Anatase

Formula: TiO₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Andalusite

Formula: Al₂(SiO₄)O

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Arsenopyrite

Formula: FeAsS

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Astrophyllite

Formula: K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Azurite

Formula: Cu₃(CO₃)₂(OH)₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Baddeleyite

Formula: ZrO₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Bastnäsite'

Formula: (Ce/Nd/Y/REE)(CO₃)F

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Bastnäsite-(Ce)

Formula: Ce(CO₃)F

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Bismuthinite

Formula: Bi₂S₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Borovskite ?

Formula: Pd₃SbTe₄

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Brookite

Formula: TiO₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Calcite

Formula: CaCO₃

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Calcite var. Manganese-bearing Calcite

Formula: (Ca,Mn)CO₃

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Cerite-(CeCa)

Formula: (Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

Heléna Walter, Elemér Pál-Molnár, Krisztián Fintor, Luca Kiri (2018) Fluid inclusions in post-magmatic diopsides of Jolotca ore field (Ditrău Alkaline Massif). XXI International Congress of the CBGA, Salzburg, Austria, September 10–13, 2018, Abstracts. p183

ⓘ Cheralite

Formula: CaTh(PO₄)₂

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Chevkinite-(Ce)

Formula: Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Chlorite Group'

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Chloritoid

Formula: Fe²⁺Al₂O(SiO₄)(OH)₂

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Cinnabar

Formula: HgS

References:

ⓘ Columbite-(Fe)

Formula: Fe²⁺Nb₂O₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Cordierite

Formula: Mg₂Al₄Si₅O₁₈

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Corundum

Formula: Al₂O₃

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Covellite

Formula: CuS

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Cubanite

Formula: CuFe₂S₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

ⓘ Dissakisite-(Ce)

Formula: (CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Dollaseite-(Ce)

Formula: (CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

Fintor, Krisztián; Kiri, Luca; Walter, Heléna; Tsay, Alexandra; Kristály, Ferenc; Pál-Molnár, Elemér (2025) Traces of metasomatic episodes and hydrothermal REE fractionation in the vein filling apatite phases of the Jolotca ore field in the Ditrău Alkaline Massif, Romania. Ore Geology Reviews, 183. doi:10.1016/j.oregeorev.2025.106646

ⓘ Dolomite var. Iron-bearing Dolomite

Formula: Ca(Mg,Fe)(CO₃)₂

References:

Hirtopanu Paulina, Andersen C. Jens, Fairhurst J. Robert and Jakab Gyula (2013) Allanite-(Ce) and its associations, from the Ditrau alkaline intrusive massif. Proc. Rom. Acad., Series B, 2013, 15(1), p. 59–74

ⓘ Durangite

Formula: NaAl(AsO₄)F

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Eudialyte

Formula: Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Euxenite-(Y)

Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Fayalite-Forsterite Series'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ 'Feldspar Group'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Fergusonite-(Y)

Formula: YNbO₄

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Galena

Formula: PbS

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Halite

Formula: NaCl

References:

ⓘ Hercynite

Formula: Fe²⁺Al₂O₄

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Hercynite var. Picotite

Formula: (Fe,Mg)(Al,Cr)₂O₄

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Heyrovskýite

Formula: Pb₆Bi₂S₉

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Hydrohalite

Formula: NaCl · 2H₂O

References:

ⓘ Hydroxylbastnäsite-(Ce)

Formula: Ce(CO₃)(OH)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Jolotcaite'

Formula: Pb-Bi-Te-S

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Joséite'

Formula: Bi₄TeS₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Lanthanite-(Ce)

Formula: Ce₂(CO₃)₃ · 8H₂O

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Lillianite

Formula: Pb_3-2xAg_xBi_2+xS₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Loparite

Formula: (Na,REE)₂Ti₂O₆

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Mackinawite

Formula: FeS

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Mica Group'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Molybdenite

Formula: MoS₂

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ 'Monazite Group'

Formula: REE(PO₄)

Localities:

Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Monazite-(Nd)

Formula: Nd(PO₄)

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ 'Monazite Supergroup'

Formula: MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Native Copper

Formula: Cu

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Native Gold

Formula: Au

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Native Mercury

Formula: Hg

References:

ⓘ Native Silver

Formula: Ag

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Parisite-(Ce)

Formula: CaCe₂(CO₃)₃F₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

ⓘ Pyrite

Formula: FeS₂

Localities:

Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ 'Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)'

Formula: (Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Pyrophanite

Formula: Mn²⁺TiO₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Pyrrhotite

Formula: Fe_1-xS

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Quartz

Formula: SiO₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Rhodochrosite

Formula: MnCO₃

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Röntgenite-(Ce)

Formula: Ca₂(Ce,La)₃(CO₃)₅F₃

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Rutile

Formula: TiO₂

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Rutile var. Ilmenorutile

Formula: (Ti,Nb)O₂

References:

ⓘ Siderite

Formula: FeCO₃

References:

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

References:

Szakáll, S. & Kristály, F. (Eds.) (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Sfantu Gheorghe, etc.

ⓘ Sphalerite

Formula: ZnS

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Spinel

Formula: MgAl₂O₄

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Stannite

Formula: Cu₂FeSnS₄

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Synchysite-(Ce)

Formula: CaCe(CO₃)₂F

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Tetradymite

Formula: Bi₂Te₂S

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Thorite

Formula: Th(SiO₄)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Uraninite

Formula: UO₂

Localities:

Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

ⓘ Willemseite

Formula: Ni₃Si₄O₁₀(OH)₂

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Wurtzite

Formula: (Zn,Fe)S

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ 'Xenotime'

References:

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ 'Zeolite Group'

Locality: Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

References:

ⓘ Zeophyllite

Formula: Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O

References:

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

ⓘ Zircon

Formula: Zr(SiO₄)

Localities:

Adit No 25, Jolotca (Orotva), Ditrău Complex, Harghita County, Romania
Jolotca (Orotva), Ditrău Complex, Harghita County, Romania

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Native Silver	1.AA.05	Ag
ⓘ	Native Mercury	1.AD.05	Hg
Group 2 - Sulphides and Sulfosalts
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Stannite	2.CB.15a	Cu₂FeSnS₄
ⓘ	Wurtzite	2.CB.45	(Zn,Fe)S
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Mackinawite	2.CC.25	FeS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Cinnabar	2.CD.15a	HgS
ⓘ	Bismuthinite	2.DB.05	Bi₂S₃
ⓘ	'Joséite'	2.DC.05	Bi₄TeS₂
ⓘ	Tetradymite	2.DC.05	Bi₂Te₂S
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Aleksite	2.GC.40a	PbBi₂Te₂S₂
ⓘ	Lillianite	2.JB.40a	Pb_3-2xAg_xBi_2+xS₆
ⓘ	Heyrovskýite	2.JB.40b	Pb₆Bi₂S₉
ⓘ	Borovskite ?	2.LA.60	Pd₃SbTe₄
Group 3 - Halides
ⓘ	Halite	3.AA.20	NaCl
ⓘ	Hydrohalite	3.BA.05	NaCl · 2H₂O
Group 4 - Oxides and Hydroxides
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	'var. Uranpyrochlore (of Hogarth 1977)'	4.00.	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
ⓘ	Hercynite	4.BB.05	Fe²⁺Al₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Hercynite var. Picotite	4.BB.05	(Fe,Mg)(Al,Cr)₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Pyrophanite	4.CB.05	Mn²⁺TiO₃
ⓘ	Loparite	4.CC.35	(Na,REE)₂Ti₂O₆
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile var. Ilmenorutile	4.DB.05	(Ti,Nb)O₂
ⓘ		4.DB.05	TiO₂
ⓘ	Columbite-(Fe)	4.DB.35	Fe²⁺Nb₂O₆
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
ⓘ	Baddeleyite	4.DE.35	ZrO₂
ⓘ	Aeschynite-(Nd)	4.DF.05	Nd(TiNb)O₆
ⓘ	Aeschynite-(Y)	4.DF.05	Y(TiNb)O₆
ⓘ	Euxenite-(Y)	4.DG.05	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
ⓘ	Uraninite	4.DL.05	UO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	var. Manganese-bearing Calcite	5.AB.05	(Ca,Mn)CO₃
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	var. Iron-bearing Dolomite	5.AB.10	Ca(Mg,Fe)(CO₃)₂
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
ⓘ	Bastnäsite-(Ce)	5.BD.20a	Ce(CO₃)F
ⓘ	Hydroxylbastnäsite-(Ce)	5.BD.20a	Ce(CO₃)(OH)
ⓘ	Parisite-(Ce)	5.BD.20b	CaCe₂(CO₃)₃F₂
ⓘ	Synchysite-(Ce)	5.BD.20c	CaCe(CO₃)₂F
ⓘ	Röntgenite-(Ce)	5.BD.20d	Ca₂(Ce,La)₃(CO₃)₅F₃
ⓘ	Lanthanite-(Ce)	5.CC.25	Ce₂(CO₃)₃ · 8H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	Fergusonite-(Y)	7.GA.05	YNbO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
ⓘ	Monazite-(Nd)	8.AD.50	Nd(PO₄)
ⓘ	Cheralite	8.AD.50	CaTh(PO₄)₂
ⓘ	Durangite	8.BH.10	NaAl(AsO₄)F
Group 9 - Silicates
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Andalusite	9.AF.10	Al₂(SiO₄)O
ⓘ	Chloritoid	9.AF.85	Fe²⁺Al₂O(SiO₄)(OH)₂
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Cerite-(CeCa)	9.AG.20	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
ⓘ	Chevkinite-(Ce)	9.BE.70	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
ⓘ	Dollaseite-(Ce)	9.BG.05	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Allanite-(Ce)	9.BG.05b	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Dissakisite-(Ce)	9.BG.05b	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
ⓘ	Cordierite	9.CJ.10	Mg₂Al₄Si₅O₁₈
ⓘ	Eudialyte	9.CO.10	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Astrophyllite	9.DC.05	K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
ⓘ	Willemseite	9.EC.05	Ni₃Si₄O₁₀(OH)₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Zeophyllite	9.EE.70	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	'Zeolite Group'	9.G0.
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Bastnäsite'	-	(Ce/Nd/Y/REE)(CO₃)F
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Xenotime'	-
ⓘ	'Mica Group'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Monazite Supergroup'	-	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
ⓘ	'Jolotcaite'	-	Pb-Bi-Te-S
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	'Alkali amphibole'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
H	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
H	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
H	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
H	ⓘ Hydroxylbastnäsite-(Ce)	Ce(CO₃)(OH)
H	ⓘ Hydrohalite	NaCl · 2H₂O
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Lanthanite-(Ce)	Ce₂(CO₃)₃ · 8H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
H	ⓘ Willemseite	Ni₃Si₄O₁₀(OH)₂
H	ⓘ Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
C	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Hydroxylbastnäsite-(Ce)	Ce(CO₃)(OH)
C	ⓘ Lanthanite-(Ce)	Ce₂(CO₃)₃ · 8H₂O
C	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
C	ⓘ Rhodochrosite	MnCO₃
C	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
C	ⓘ Siderite	FeCO₃
C	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
C	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Aeschynite-(Nd)	Nd(TiNb)O₆
O	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Anatase	TiO₂
O	ⓘ Andalusite	Al₂(SiO₄)O
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Baddeleyite	ZrO₂
O	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
O	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Brookite	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
O	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
O	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
O	ⓘ Corundum	Al₂O₃
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
O	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Durangite	NaAl(AsO₄)F
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
O	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
O	ⓘ Fergusonite-(Y)	YNbO₄
O	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
O	ⓘ Hercynite	Fe²⁺Al₂O₄
O	ⓘ Hydroxylbastnäsite-(Ce)	Ce(CO₃)(OH)
O	ⓘ Hydrohalite	NaCl · 2H₂O
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Rutile var. Ilmenorutile	(Ti,Nb)O₂
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Lanthanite-(Ce)	Ce₂(CO₃)₃ · 8H₂O
O	ⓘ Loparite	(Na,REE)₂Ti₂O₆
O	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Monazite-(Nd)	Nd(PO₄)
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Pyrophanite	Mn²⁺TiO₃
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
O	ⓘ Rutile	TiO₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Uraninite	UO₂
O	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
O	ⓘ Willemseite	Ni₃Si₄O₁₀(OH)₂
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Cheralite	CaTh(PO₄)₂
O	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Hercynite var. Picotite	(Fe,Mg)(Al,Cr)₂O₄
O	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
F	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
F	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
F	ⓘ Durangite	NaAl(AsO₄)F
F	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
F	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
F	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
F	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
F	ⓘ Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Na	ⓘ Durangite	NaAl(AsO₄)F
Na	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Na	ⓘ Halite	NaCl
Na	ⓘ Hydrohalite	NaCl · 2H₂O
Na	ⓘ Loparite	(Na,REE)₂Ti₂O₆
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
Mg	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
Mg	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Fayalite-Forsterite Series
Mg	ⓘ Hercynite var. Picotite	(Fe,Mg)(Al,Cr)₂O₄
Mg	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Andalusite	Al₂(SiO₄)O
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Al	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
Al	ⓘ Durangite	NaAl(AsO₄)F
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Hercynite	Fe²⁺Al₂O₄
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Hercynite var. Picotite	(Fe,Mg)(Al,Cr)₂O₄
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Andalusite	Al₂(SiO₄)O
Si	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
Si	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Si	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Willemseite	Ni₃Si₄O₁₀(OH)₂
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
Si	ⓘ Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Pyroxene Group	ADSi₂O₆
Si	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Monazite-(Nd)	Nd(PO₄)
P	ⓘ Xenotime-(Y)	Y(PO₄)
P	ⓘ Cheralite	CaTh(PO₄)₂
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
P	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
S	Sulfur
S	ⓘ Aleksite	PbBi₂Te₂S₂
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Bismuthinite	Bi₂S₃
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cinnabar	HgS
S	ⓘ Covellite	CuS
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Galena	PbS
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Joséite	Bi₄TeS₂
S	ⓘ Lillianite	Pb_3-2xAg_xBi_2+xS₆
S	ⓘ Mackinawite	FeS
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Sphalerite	ZnS
S	ⓘ Stannite	Cu₂FeSnS₄
S	ⓘ Tetradymite	Bi₂Te₂S
S	ⓘ Wurtzite	(Zn,Fe)S
S	ⓘ Heyrovskýite	Pb₆Bi₂S₉
S	ⓘ Jolotcaite	Pb-Bi-Te-S
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Cl	ⓘ Halite	NaCl
Cl	ⓘ Hydrohalite	NaCl · 2H₂O
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Ca	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ca	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
Ca	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Ca	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
Ca	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ca	ⓘ Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O
Ca	ⓘ Cheralite	CaTh(PO₄)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Ti	Titanium
Ti	ⓘ Aeschynite-(Nd)	Nd(TiNb)O₆
Ti	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile var. Ilmenorutile	(Ti,Nb)O₂
Ti	ⓘ Loparite	(Na,REE)₂Ti₂O₆
Ti	ⓘ Pyrophanite	Mn²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
Ti	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Cr	Chromium
Cr	ⓘ Hercynite var. Picotite	(Fe,Mg)(Al,Cr)₂O₄
Cr	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Mn	Manganese
Mn	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
Mn	ⓘ Pyrophanite	Mn²⁺TiO₃
Mn	ⓘ Rhodochrosite	MnCO₃
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Fe	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Fe	ⓘ Hercynite	Fe²⁺Al₂O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Mackinawite	FeS
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Stannite	Cu₂FeSnS₄
Fe	ⓘ Wurtzite	(Zn,Fe)S
Fe	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Fe	ⓘ Fayalite-Forsterite Series
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	ⓘ Hercynite var. Picotite	(Fe,Mg)(Al,Cr)₂O₄
Fe	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Ni	Nickel
Ni	ⓘ Willemseite	Ni₃Si₄O₁₀(OH)₂
Cu	Copper
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Covellite	CuS
Cu	ⓘ Cubanite	CuFe₂S₃
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Stannite	Cu₂FeSnS₄
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Zn	ⓘ Wurtzite	(Zn,Fe)S
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Durangite	NaAl(AsO₄)F
As	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Y	Yttrium
Y	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Y	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Y	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Y	ⓘ Fergusonite-(Y)	YNbO₄
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Zr	Zirconium
Zr	ⓘ Baddeleyite	ZrO₂
Zr	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Aeschynite-(Nd)	Nd(TiNb)O₆
Nb	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Nb	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Nb	ⓘ Fergusonite-(Y)	YNbO₄
Nb	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Nb	ⓘ Rutile var. Ilmenorutile	(Ti,Nb)O₂
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Nb	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Pd	Palladium
Pd	ⓘ Borovskite	Pd₃SbTe₄
Ag	Silver
Ag	ⓘ Lillianite	Pb_3-2xAg_xBi_2+xS₆
Ag	ⓘ Native Silver	Ag
Sn	Tin
Sn	ⓘ Stannite	Cu₂FeSnS₄
Sb	Antimony
Sb	ⓘ Borovskite	Pd₃SbTe₄
Te	Tellurium
Te	ⓘ Aleksite	PbBi₂Te₂S₂
Te	ⓘ Borovskite	Pd₃SbTe₄
Te	ⓘ Joséite	Bi₄TeS₂
Te	ⓘ Tetradymite	Bi₂Te₂S
Te	ⓘ Jolotcaite	Pb-Bi-Te-S
La	Lanthanum
La	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
Ce	Cerium
Ce	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ce	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
Ce	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Ce	ⓘ Cerite-(CeCa)	(Ce₇Ca₂)◻Mg(SiO₄)₃(SiO₃OH)₄(OH)₃
Ce	ⓘ Dissakisite-(Ce)	(CaCe)(AlAlMg)O[Si₂O₇][SiO₄](OH)
Ce	ⓘ Dollaseite-(Ce)	(CaCe)(MgAlMg)F[Si₂O₇][SiO₄](OH)
Ce	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ce	ⓘ Hydroxylbastnäsite-(Ce)	Ce(CO₃)(OH)
Ce	ⓘ Lanthanite-(Ce)	Ce₂(CO₃)₃ · 8H₂O
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Ce	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Ce	ⓘ Röntgenite-(Ce)	Ca₂(Ce,La)₃(CO₃)₅F₃
Ce	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ce	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
Ce	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Nd	Neodymium
Nd	ⓘ Aeschynite-(Nd)	Nd(TiNb)O₆
Nd	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Nd	ⓘ Monazite-(Nd)	Nd(PO₄)
Ta	Tantalum
Ta	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ta	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)
Au	Gold
Au	ⓘ Native Gold	Au
Hg	Mercury
Hg	ⓘ Cinnabar	HgS
Hg	ⓘ Native Mercury	Hg
Pb	Lead
Pb	ⓘ Aleksite	PbBi₂Te₂S₂
Pb	ⓘ Galena	PbS
Pb	ⓘ Lillianite	Pb_3-2xAg_xBi_2+xS₆
Pb	ⓘ Heyrovskýite	Pb₆Bi₂S₉
Pb	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Pb	ⓘ Jolotcaite	Pb-Bi-Te-S
Bi	Bismuth
Bi	ⓘ Aleksite	PbBi₂Te₂S₂
Bi	ⓘ Bismuthinite	Bi₂S₃
Bi	ⓘ Joséite	Bi₄TeS₂
Bi	ⓘ Lillianite	Pb_3-2xAg_xBi_2+xS₆
Bi	ⓘ Tetradymite	Bi₂Te₂S
Bi	ⓘ Heyrovskýite	Pb₆Bi₂S₉
Bi	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
Bi	ⓘ Jolotcaite	Pb-Bi-Te-S
Th	Thorium
Th	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Th	ⓘ Thorite	Th(SiO₄)
Th	ⓘ Cheralite	CaTh(PO₄)₂
Th	ⓘ Monazite Supergroup	MTO₄, where M = LREE, Th, Ca, Bi, Pb; T = P, As, Si, Cr⁶⁺
U	Uranium
U	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
U	ⓘ Uraninite	UO₂
U	ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)	(Ca,U,Ce)₂(Nb,Ti,Ta)₂O₆(OH,F)

Localities in this Region

Romania

Harghita County
- Ditrău Complex
  - Jolotca (Orotva)
    - Adit No 25

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

Carpathian MountainsVolcanic Arc

EuropeContinent

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References

Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp. [especially chapter by Hirtopanu et al.]

[1]Fintor, Krisztián; Kiri, Luca; Walter, Heléna; Tsay, Alexandra; Kristály, Ferenc; Pál-Molnár, Elemér (2025) Traces of metasomatic episodes and hydrothermal REE fractionation in the vein filling apatite phases of the Jolotca ore field in the Ditrău Alkaline Massif, Romania. Ore Geology Reviews, 183. doi:10.1016/j.oregeorev.2025.106646

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