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Ramikite-(Y)

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About Ramikite-(Y)Hide

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.
Earlier designated as UK 108.


Classification of Ramikite-(Y)Hide

Approved
Approval Year:
2009
43.4.15.

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen

Physical Properties of Ramikite-(Y)Hide

Vitreous, Dull
Colour:
Yellowish-white
Streak:
White
Hardness:
Hardness Data:
Estimated
Cleavage:
Poor/Indistinct
possible weak to poor {100}, {010}, and {001} cleavages.
Fracture:
Splintery
Density:
3.60(1) g/cm3 (Calculated)

Chemical Properties of Ramikite-(Y)Hide

Formula:
Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4
IMA Formula:
Li4(Na,Ca)12(Y,Ca,REE)6Zr6(PO4)12(CO3)4O4[(OH),F]4

Crystallography of Ramikite-(Y)Hide

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)°
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}, {01-0}, {001}, and {001-}.

Epitaxial Relationships of Ramikite-(Y)Hide

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 DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
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)

Type Occurrence of Ramikite-(Y)Hide

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 um) pale pink rims.
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)Hide

Other Language Names for Ramikite-(Y)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
14 photos of Ramikite-(Y) associated with Peatite-(Y)Li4Na12Y12(PO4)12(CO3)4(F,OH)8
1 photo of Ramikite-(Y) associated with SideriteFeCO3
1 photo of Ramikite-(Y) associated with SabinaiteNa4Zr2TiO4(CO3)4
1 photo of Ramikite-(Y) associated with Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
1 photo of Ramikite-(Y) associated with GobbinsiteNa5(Si11Al5)O32 · 11H2O

Fluorescence of Ramikite-(Y)Hide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ramikite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
McDonald, A.M., Back, M.E., Gault, R.A., Horváth, L. (2013): Peatite-(Y) and ramikite-(Y), two new Na-Li-Y{+/-}Zr phosphate-carbonate minerals from the Poudrette pegmatite, Mont Saint-Hilaire, Québec. Canadian Mineralogist, 51, 569-596.

Internet Links for Ramikite-(Y)Hide

Localities for Ramikite-(Y)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
McDonald, A.M., Back, M.E., Gault, R.A., Horváth, L. (2013): Peatite-(Y) and ramikite-(Y), two new Na-Li-Y{+/-}Zr phosphate-carbonate minerals from the Poudrette pegmatite, Mont Saint-Hilaire, Québec. Canadian Mineralogist, 51, 569-596.
 
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