IMA2008-060 Mineral Data

General IMA2008-060 Information

Chemical Formula:

Mg2(BO3)(OH)

Composition:

Molecular Weight = 124.43 gm

Magnesium 39.07 % Mg 64.78 % MgO

Boron 8.69 % B 27.98 % B₂O₃

Hydrogen 0.81 % H 7.24 % H₂O

Oxygen 51.43 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg₂(BO₃)(OH)

Environment:

OH-dominant analogue of pertsevite

IMA Status:

Proposed IMA 2009 (Dana # Added)

Locality:

Snezhnoye deposit, Chersky Mountains, Republic of Sakha-Yakutia, Russian Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2008-060 Crystallography

Axial Ratios:

a:b:c =1.7236:1:0.3858

Cell Dimensions:

a = 20.494, b = 11.89, c = 4.588, Z = 16; V = 1,117.97 Den(Calc)= 2.96

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 1.713(1), 2.244(0.88), 2.748(0.65),1.481(0.5), 1.71(0.45), 2.237(0.42), 2.478(0.41), 2.417(0.39),

Optical Properties of IMA2008-060

Optical Data:

NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2143) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2008-060

Electron Density:

Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of IMA2008-060 =2.96 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_IMA2008-060= 0.98 barns/electron
U=PE_IMA2008-060 x rElectron Density= 2.89 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-060 is Not Radioactive

IMA2008-060 Classification

Dana Class:

25.06.04.02 (25)Anhydrous Borates Containing Hydroxyl or Halogen

(25.06)Dana Type

(25.06.04)Dana Group

25.06.04.01 Pertsevite! Mg2(BO3)F P na2₁ mm2

25.06.04.02 IMA2008-060! Mg2(BO3)(OH) P nma 2/m 2/m 2/m

Strunz Class:

06.AB.75 06 - BORATES

06.A - Monoborates

06.AB -BO3, with additional anions; 1(D) + OH, etc.

06.AB.75 Pertsevite! Mg2(BO3)F P na2₁ mm2

06.AB.75 IMA2008-060! Mg2(BO3)(OH) P nma 2/m 2/m 2/m

Other IMA2008-060 Information

See Also:

Links to other databases for IMA2008-060 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Print or Cut-and-Paste your IMA2008-060 Specimen Label here :

IMA2008-060

Mg2(BO3)(OH)
Dana No: 25.06.04.02 Strunz No: 06.AB.75
Locality:

Notes: