Suanite Mineral Data

General Suanite Information

Chemical Formula:

Mg2B2O5

Composition:

Molecular Weight = 150.23 gm

Magnesium 32.36 % Mg 53.66 % MgO

Boron 14.39 % B 46.34 % B₂O₃

Oxygen 53.25 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg₂B₂O₅

Environment:

Contact metasomatic hydrothermal boron deposit in diopside-clinohumite-dolomite-calcite skarn.

IMA Status:

Valid Species (Pre-IMA) 1953

Locality:

Hol Kol Au-Cu mine, about 75 km southeast of Pyongyang, Suan Co., North Korea. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Suanite

Synonym:

ICSD 81229

PDF 16-168

Suanite Image

Images:

Suanite

Comments: Dark olive green nearly opaque suanite cleavage.
Location: Houxianya, Yingkou, Liaoning, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Suanite Crystallography

Axial Ratios:

a:b:c =3.9455:1:2.9487

Cell Dimensions:

a = 12.31, b = 3.12, c = 9.2, Z = 4; beta = 104.33° V = 342.35 Den(Calc)= 2.91

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2₁/a

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

By Intensity(I/I_o): 2.556(1), 2.01(0.6), 2.823(0.5),

Physical Properties of Suanite

Cleavage:

{???} Perfect

Color:

Gray white, White.

Density:

2.91

Hardness:

5.5 - Knife Blade

Luster:

Silky - Pearly

Streak:

white

Optical Properties of Suanite

Gladstone-Dale:

CI meas= -0.054 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.054 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2182,KPDmeas= 0.2182,KC= 0.207
Ncalc = 1.6

Optical Data:

Biaxial (-), a=1.596, b=1.639, g=1.67, bire=0.0740, 2V(Calc)=78, 2V(Meas)=70.

Calculated Properties of Suanite

Electron Density:

Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Suanite =2.91 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Suanite= 0.87 barns/electron
U=PE_Suanite x rElectron Density= 2.51 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Suanite is Not Radioactive

Suanite Classification

Dana Class:

24.04.01.01 (24)Borates - Anhydrous

(24.04)where (A)2 (X2O5)

(24.04.01)Dana Group

24.04.01.01 Suanite Mg2B2O5 P 2₁/a 2/m

Strunz Class:

06.BA.05 06 - BORATES

06.B - Diborates

06.BA -Neso-diborates with double triangles B2(O,OH)5; 2(2D); 2(2D) + OH, etc.

06.BA.05 Suanite Mg2B2O5 P 2₁/a 2/m

Other Suanite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Suanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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

Suanite

Mg2B2O5
Dana No: 24.04.01.01 Strunz No: 06.BA.05
Locality:

Notes:

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