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 % B2 O3
Oxygen 53.25 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Mg2 B2 O5
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 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
X Ray Diffraction:
By Intensity(I/Io ): 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:
PESuanite = 0.87 barns/electronU=PESuanite x r Electron 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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