Shabynite Mineral Data

Shabynite Mineral Data +

General Shabynite Information

Chemical Formula:

Mg5(BO3)Cl2(OH)5·4(H2O)

Composition:

Molecular Weight = 408.34 gm

Magnesium 29.76 % Mg 49.35 % MgO

Boron 2.65 % B 8.52 % B₂O₃

Hydrogen 3.21 % H 28.68 % H₂O

Chlorine 17.36 % Cl 17.36 % Cl

- % Cl -3.92 % -O=Cl₂

Oxygen 47.02 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg₅(BO₃)Cl₂(OH)₅·4(H₂O)

Environment:

Alteration product.

IMA Status:

Approved IMA 1980

Locality:

Korshunov skarn-magnetite deposit, Baikalia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Leonid I. Shabynin (1909-), Russian geologist.

Shabynite Image

Images:

Shabynite

Comments: Translucent shabynite grains.
Location: Korshunovskoye Deposit, Irkutsk District, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Shabynite Crystallography

Crystal System:

MonoclinicSpace Group: Unk.

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

By Intensity(I/I_o): 9.27(1), 2.439(0.8), 3.69(0.7),

Physical Properties of Shabynite

Color:

Snow white.

Density:

2.32

Fracture:

Flexible - Flexible fragments.

Hardness:

3 - Calcite

Streak:

white

Optical Properties of Shabynite

Gladstone-Dale:

CI meas= 0.098 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.243,KC= 0.2694

Optical Data:

Biaxial (-), a=1.543, b=1.571, g=1.577, bire=0.0340, 2V(Calc)=48, 2V(Meas)=49.

Calculated Properties of Shabynite

Electron Density:

r_electron=2.36 gm/cc
note: r_Shabynite=2.32 gm/cc.

Fermion Index

Fermion Index = 0.03525
Boson Index = 0.96475

Photoelectric:

PE_Shabynite= 1.86 barns/electron
U=PE_Shabynite x r_electron= 4.40 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Shabynite is Not Radioactive

Shabynite Classification

Dana Class:

26.1.3.1 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.1)Dana Type

(26.1.3)Dana Group

26.1.3.1 Shabynite Mg5(BO3)Cl2(OH)5·4(H2O) Unk. Mono

Strunz Class:

V/G.06-30 V - Nitrates, Carbonates and Borates

V/G - "Insel" borates [BO3]3- "inseln"

V/G.06 - Berborite - Qilianshanite series

V/G.06-10 Berborite Be2(BO3)(OH,F)·(H2O) P 6₃ 6

V/G.06-20 Wightmanite Mg5(BO3)O(OH)5·2(H2O) I2/m 2/m

V/G.06-30 Shabynite Mg5(BO3)Cl2(OH)5·4(H2O) Unk. Mono

V/G.06-40 Canavesite Mg2(CO3)(HBO3)·5(H2O) P 2/m 2/m

V/G.06-50 Sakhaite Ca3Mg(BO3)2(CO3)·0.36(H2O) F 4₁32 4 3 2

V/G.06-60 Qilianshanite NaH4(CO3)(BO3)·2(H2O) C 2 2

Other Shabynite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Shabynite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Shabynite Specimen Label here :

Shabynite

Mg5(BO3)Cl2(OH)5·4(H2O)
Dana No: 26.1.3.1 Strunz No: V/G.06-30
Locality:

Notes: