Ramikite-(Y)
A valid IMA mineral species
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About Ramikite-(Y)
Formula:
Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4
Colour:
Yellowish-white
Lustre:
Vitreous, Dull
Hardness:
3
Specific Gravity:
3.60 (Calculated)
Crystal System:
Triclinic
Name:
Named in honor of Mr. Robert A.J. Ramik (b. 1951), a thermoanalytical technician and mineralogist in the Department of Natural History at the Royal Ontario Museum, Toronto, Canada.
Unique Identifiers
Mindat ID:
39555
Long-form identifier:
mindat:1:1:39555:1
Similar Names
| Ramirite | A synonym of Descloizite |
IMA Classification of Ramikite-(Y)
Approved
IMA Formula:
Li2Na6(Y,Ca,REE)3Zr4+3(PO4)6(CO3)2O2(OH,F)2
Approval year:
2009
First published:
2013
Classification of Ramikite-(Y)
5.BF.50
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
43.4.15.
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
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 |
|---|---|---|
| Rmi-Y | 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 Ramikite-(Y)
Vitreous, Dull
Colour:
Yellowish-white
Streak:
White
Hardness:
3 on Mohs scale
Hardness Data:
Estimated
Cleavage:
Poor/Indistinct
Possible weak to poor {100}, {010}, and {001} cleavages.
Possible weak to poor {100}, {010}, and {001} cleavages.
Fracture:
Splintery
Density:
3.60(1) g/cm3 (Calculated)
Chemistry of Ramikite-(Y)
Mindat Formula:
Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4
Element Weights:
Crystallography of Ramikite-(Y)
Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 10.9977(6) Å, b = 10.9985(6) Å, c = 10.9966(6) Å
α = 90.075(4)°, β = 89.984(4)°, γ = 89.969(4)°
α = 90.075(4)°, β = 89.984(4)°, γ = 89.969(4)°
Ratio:
a:b:c = 1 : 1 : 1
Unit Cell V:
1,330.13 ų (Calculated from Unit Cell)
Morphology:
Common forms: pedion {100}, {001}, {010}, {010}, {001}, and {001}.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020056 | Ramikite-(Y) | McDonald A M, Back M E, Gault R A, Horvath L (2013) Peatite-(Y) and ramikite-(Y), two new Na-Li-Y?Zr phosphate-carbonate minerals from the Poudrette pegmatite, Mont Saint-Hilaire, Quebec The Canadian Mineralogist 51 569-596 | 2013 | Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada | 0 | 293 |
CIF Raw Data - click here to close
Epitaxial Relationships of Ramikite-(Y)
Epitaxial Minerals:
| 'Peatite-(Y)' | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 |
Epitaxy Comments:
As crystals (pseudocubes) with yellowish-white cores of ramikite-(Y) and thin (< 50 um) pale pink rims of peatite-(Y).
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 11.04 Å | (76) |
| 7.80 Å | (79) |
| 6.36 Å | (75) |
| 3.89 Å | (100) |
| 3.48 Å | (68) |
| 2.94 Å | (98) |
| 2.59 Å | (98) |
| 2.117 Å | (65) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 22 : Hydration and low-? subsurface aqueous alteration (see also #23) | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Ramikite-(Y)
General Appearance of Type Material:
Epitactic-like, euhedral crystals (pseudocubes) of peatite-(Y) and Ramikite-(Y) range from 0.1 to 1 mm in size (average: 0.2 mm). Core = Ramikite-(Y) and peatite-(Y) as thin (< 50 µm) pale pink rims.
Place of Conservation of Type Material:
The Royal Ontario Museum, Toronto, Ontario, Canada (M53893).
Geological Setting of Type Material:
Late-stage product in the core of the alkaline Poudrette Pegmatite.
Associated Minerals at Type Locality:
Synonyms of Ramikite-(Y)
Other Language Names for Ramikite-(Y)
Dutch:Ramikiet-(Y)
German:Ramikit-(Y)
Common Associates
Associations Based on Photo Data:
| 22 photos of Ramikite-(Y) associated with Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 |
| 3 photos of Ramikite-(Y) associated with Chabazite-Na | (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O |
| 3 photos of Ramikite-(Y) associated with Gobbinsite | Na5(Si11Al5)O32 · 11H2O |
| 2 photos of Ramikite-(Y) associated with Rhodochrosite | MnCO3 |
| 2 photos of Ramikite-(Y) associated with Albite | Na(AlSi3O8) |
| 1 photo of Ramikite-(Y) associated with Siderite | FeCO3 |
| 1 photo of Ramikite-(Y) associated with Sabinaite | Na4Zr2TiO4(CO3)4 |
Related Minerals - Strunz-mindat Grouping
| 5.BF.05 | Northupite | Na3Mg(CO3)2Cl |
| 5.BF.05 | Manganotychite | Na6Mn2(CO3)4(SO4) |
| 5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) |
| 5.BF.05 | Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) |
| 5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) |
| 5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) |
| 5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) |
| 5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) |
| 5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x |
| 5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl |
| 5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl |
| 5.BF.30 | Brianyoungite | Zn3(CO3,SO4)(OH)4 |
| 5.BF.35 | Philolithite | Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4 |
| 5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.45 | Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 |
Fluorescence of Ramikite-(Y)
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 Ramikite-(Y)
mindat.org URL:
https://www.mindat.org/min-39555.html
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References for Ramikite-(Y)
Reference List:
Localities for Ramikite-(Y)
Showing 1 localities.
symbol to view information about a locality.
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.
Canada (TL) | |
| McDonald et al. (2013) |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada