IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ramikite-(Y)

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

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 (76)
7.80 (79)
6.36 (75)
3.89 (100)
3.48 (68)
2.94 (98)
2.59 (98)
2.117 (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

Common AssociatesHide

Associated Minerals Based on Photo Data:
Peatite-(Y)14 photos of Ramikite-(Y) associated with Peatite-(Y) on mindat.org.
Siderite1 photo of Ramikite-(Y) associated with Siderite on mindat.org.
Sabinaite1 photo of Ramikite-(Y) associated with Sabinaite on mindat.org.
Chabazite-Na1 photo of Ramikite-(Y) associated with Chabazite-Na on mindat.org.
Gobbinsite1 photo of Ramikite-(Y) associated with Gobbinsite on mindat.org.

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.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 23, 2018 01:56:11 Page generated: August 31, 2018 08:51:47
Go to top of page