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Malinkoite Mineral Data

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General Malinkoite Information

Help on Chemical  Formula: Chemical Formula: NaBSiO4
Help on Composition: Composition: Molecular Weight = 125.88 gm
   Sodium   18.26 %  Na   24.62 % Na2O
   Silicon  22.31 %  Si   47.73 % SiO2
   Boron     8.59 %  B    27.65 % B2O3
   Oxygen   50.84 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaBSiO4
Help on Environment: Environment: In a cavity in the ussingite-rich core of a hyperagpaitic pegmatite. Similar to kalsilite and beryllonite
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Mt. Karnasurt and Mt. Alluaiv, Lovozero Massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Svetlana V. Malinko(1927-), Russian mineralogist who specializes in B minerals.
Help on Synonym: Synonym: IMA2000-009

Malinkoite Image

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Comments: White to clear glassy mico crystals of malinkoite to less than 0.75mm deep in a vug.
Location: Mont St. Hilaire, Rouville Co., Quebec, Canada. Scale: 2 x 1.5 x 1.5 cm.
© Tom Loomis / Dakota Matrix

Malinkoite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.5541
Help on Cell Dimensions: Cell Dimensions: a = 13.8964, c = 7.7001, Z = 18; V = 1,287.75 Den(Calc)= 2.92
Help on Crystal System: Crystal System: Hexagonal - Pyramidal H-M Symbol (6) Space Group: P 63
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.78(1)(032), 2.216(0.9)(331), 1.721(0.7)(333),2.32(0.7)(330), 3.61(0.6)(012,031), 3.86(0.6)(002), 1.928(0.5)(250),

Physical Properties of Malinkoite

Help on Cleavage: Cleavage: {001} Distinct, {h00} Distinct
Help on Color: Color: White, Rosy cream, Pale pink, Greenish blue.
Help on Density: Density: 2.9
Help on Diaphaneity: Diaphaneity: Transparent to turbid
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Fluorescent, Short UV=dull pinkish lilac, Long UV=bright greenish yellow.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Malinkoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2009,KPDmeas= 0.2022,KC= 0.2055
Ncalc = 1.6
Help on Optical Data: Optical Data: Uniaxial (-), e=1.582, w=1.591, bire=0.0090.

Calculated Properties of Malinkoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.86 gm/cc
note: Specific Gravity of Malinkoite =2.90 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMalinkoite = 1.24 barns/electron
U=PEMalinkoite x rElectron Density= 3.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Malinkoite is Not Radioactive

Malinkoite Classification

Help on  Dana Class: Dana Class: (76)Tectosilicate Al-Si Framework
  (76.04)with B-Si frameworks
  (76.04.02)Dana Group Malinkoite! NaBSiO4 P 63 6
Help on  Strunz Class: Strunz Class: 09.FA.10 09 - SILICATES (Germanates)
  09.F - Tektosilicates without Zeolitic H2O
  09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1
09.FA.10 Malinkoite! NaBSiO4 P 63 6

Other Malinkoite Information

Help on References: References: NAME( AmMin, Vol 87, p 181) PHYS. PROP.(AmMin, Vol 87, p 181) OPTIC PROP.(AmMin, Vol 87, p 181)
Help on See Also: See Also: Links to other databases for Malinkoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 09.FA.10





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