Kittatinnyite
A valid IMA mineral species
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About Kittatinnyite
Formula:
Ca2Mn2Mn(SiO4)2(OH)4 · 9H2O
Colour:
Bright yellow
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.61
Crystal System:
Hexagonal
Name:
Named in 1983 by Pete J. Dunn and Donald R. Peacor from the Algonquin word "kittatinny" meaning "endless hills" in allusion to the topography around Franklin, New Jersey, USA, the type locality.
One specimen only known.
Unique Identifiers
Mindat ID:
2220
Long-form identifier:
mindat:1:1:2220:6
IMA Classification of Kittatinnyite
Approved
IMA Formula:
Ca2Mn2+Mn3+2(SiO4)2(OH)4·9H2O
Approval year:
1982
First published:
1983
Classification of Kittatinnyite
9.AG.35
9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
52.4.1.3
52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
14.18.25
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Kit | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Kittatinnyite
Vitreous
Transparency:
Translucent, Opaque
Colour:
Bright yellow
Streak:
Light yellow
Hardness:
4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{0001}
{0001}
Density:
2.61 g/cm3 (Measured) 2.62 g/cm3 (Calculated)
Comment:
Measured with heavy liquids
Optical Data of Kittatinnyite
Type:
Uniaxial (-)
Pleochroism:
Weak
Comments:
O : medium yellow, E : medium yellow, and E >= O.
Comments:
ε could not be measured due to the thinness of the crystals.
Chemistry of Kittatinnyite
Mindat Formula:
Ca2Mn2Mn(SiO4)2(OH)4 · 9H2O
Element Weights:
Common Impurities:
As,Zn
Crystallography of Kittatinnyite
Crystal System:
Hexagonal
Cell Parameters:
a = 6.498(4) Å, c = 22.78(2) Å
Ratio:
a:c = 1 : 3.506
Unit Cell V:
833.00 ų (Calculated from Unit Cell)
Z:
1
Comment:
Point Group: 6/m 2/m 2/m; 6mm; or 6m2:; Space Group: P63 /mmc; P63mc; or P62c
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 11.2 Å | (100) |
| 5.61 Å | (60) |
| 2.733 Å | (60) |
| 2.822 Å | (50) |
| 2.525 Å | (40) |
| 2.279 Å | (40) |
| 5.03 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Kittatinnyite
General Appearance of Type Material:
Very small, exceptionally thin and distorted crystals. Looks like native gold in hand specimen.
Place of Conservation of Type Material:
1) Harvard University, Cambridge, Massachusetts, 113514.
2) National Museum of Natural History, Washington, D.C., USA, C4222.
2) National Museum of Natural History, Washington, D.C., USA, C4222.
Associated Minerals at Type Locality:
Synonyms of Kittatinnyite
Other Language Names for Kittatinnyite
Common Associates
Associations Based on Photo Data:
| 1 photo of Kittatinnyite associated with Bostwickite | CaMn3+6Si3O16 · 7H2O |
Related Minerals - Strunz-mindat Grouping
| 9.AG. | Aluminotaipingite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4F3 |
| 9.AG. | 'Ivanyukite-Na-T' | Na2Ti4(SiO4)3(OH)O3 · 7H2O |
| 9.AG. | 'Ivanyukite-Na-C' | Na2Ti4(SiO4)3(OH)2O2 · 6H2O |
| 9.AG. | Edgrewite | Ca9(SiO4)4F2 |
| 9.AG.02 | Gatedalite | ZrMn2+2Mn3+4SiO12 |
| 9.AG.05 | Abswurmbachite | CuMn3+6(SiO4)O8 |
| 9.AG.05 | Neltnerite | CaMn3+6(SiO4)O8 |
| 9.AG.05 | Skogbyite | Zr(Mg2Mn3+4)SiO12 |
| 9.AG.05 | Braunite | Mn2+Mn3+6(SiO4)O8 |
| 9.AG.05 | 'Braunite-II' | Ca(Mn3+,Fe)14(SiO4)O20 |
| 9.AG.10 | Långbanite | Mn2+4Mn3+9Sb5+O16(SiO4)2 |
| 9.AG.12 | Taipingite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3 |
| 9.AG.15 | Żabińskiite | Ca[Al0.5(Ta,Nb)0.5)]O(SiO4) |
| 9.AG.15 | Titanite | CaTiO(SiO4) |
| 9.AG.15 | Vanadomalayaite | CaVO(SiO4) |
| 9.AG.15 | Natrotitanite | (Na0.5Y0.5)TiO(SiO4) |
| 9.AG.15 | Malayaite | CaSnO(SiO4) |
| 9.AG.20 | Ferricerite-(LaCa) | (La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3 |
| 9.AG.20 | Aluminocerite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3 |
| 9.AG.20 | Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
| 9.AG.20 | Nipeiite-(Ce) | Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3 |
| 9.AG.25 | 'Yftisite-(Y)' | (Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6 |
| 9.AG.25 | Mieite-(Y) | Y4Ti(SiO4)2O[F,(OH)]6 |
| 9.AG.25 | Trimounsite-(Y) | Y2Ti2(SiO4)O5 |
| 9.AG.30 | Sitinakite | KNa2Ti4(SiO4)2O5(OH) · 4H2O |
| 9.AG.40b | Paranatisite | Na2Ti(SiO4)O |
| 9.AG.40a | Natisite | Na2Ti(SiO4)O |
| 9.AG.45 | Törnebohmite-(Ce) | Ce2Al(SiO4)2(OH) |
| 9.AG.45 | Törnebohmite-(La) | La2Al(SiO4)2(OH) |
| 9.AG.50 | Ivanyukite-Na | Na2Ti4(SiO4)3(OH)2O2 · 6H2O |
| 9.AG.50 | Ivanyukite-K | K2Ti4(SiO4)3(OH)2O2 · 9H2O |
| 9.AG.50 | Ivanyukite-Cu | CuTi4(SiO4)3(OH)2O2 · 7H2O |
| 9.AG.50 | Kuliokite-(Y) | Y4Al(SiO4)2(OH)2F5 |
| 9.AG.50 | Hydroxyledgrewite | Ca9(SiO4)4(OH)2 |
| 9.AG.52 | Ulfanderssonite-(Ce) | (Ce15Ca)Σ16Mg2(SiO4)10(SiO3OH)(OH,F)5Cl3 |
| 9.AG.55 | Chantalite | CaAl2(SiO4)(OH)4 |
| 9.AG.60 | Vuagnatite | CaAl(SiO4)(OH) |
| 9.AG.60 | Mozartite | CaMn3+(SiO4)(OH) |
| 9.AG.65 | Hatrurite | Ca3(SiO4)O |
| 9.AG.70 | Jasmundite | Ca11(SiO4)4O2S |
| 9.AG.75 | Afwillite | Ca3[SiO4][SiO2(OH)2] · 2H2O |
| 9.AG.80 | Bultfonteinite | Ca2(HSiO4)F · H2O |
| 9.AG.85 | Zoltaiite | BaV4+2V3+12(SiO4)2O19 |
| 9.AG.90 | Tranquillityite | (Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12 |
Fluorescence of Kittatinnyite
Not fluorescent
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Kittatinnyite
mindat.org URL:
https://www.mindat.org/min-2220.html
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References for Kittatinnyite
Localities for Kittatinnyite
Showing 1 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
USA (TL) | |
| Dunn et al. (1983) +1 other reference |
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Franklin Mine, Franklin, Sussex County, New Jersey, USA