Sussexite Mineral Data

General Sussexite Information

Chemical Formula:

MnBO2(OH)

Composition:

Molecular Weight = 114.75 gm

Manganese 47.87 % Mn 61.82 % MnO

Boron 9.42 % B 30.33 % B₂O₃

Hydrogen 0.88 % H 7.85 % H₂O

Oxygen 41.83 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺BO₂(OH)

Environment:

Hydrothermal mineral typically in veinlets in boron-bearing metamorphosed Mn-Fe-Zn deposits.

IMA Status:

Valid Species (Pre-IMA) 1868

Locality:

Franklin and Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Sussexite + Pronunciation

Sussexite Image

Images:

Sussexite

Comments: Red resinous sussexite in ore matrix.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sussexite Crystallography

Axial Ratios:

a:b:c =0.3066:1:1.2004

Cell Dimensions:

a = 3.287, b = 10.718, c = 12.866, Z = 8; beta = 95.8° V = 450.95 Den(Calc)= 3.38

Crystal System:

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

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

By Intensity(I/I_o): 6.32(1), 2.478(0.8), 2.744(0.8),

Physical Properties of Sussexite

Color:

White, Pink, Straw yellow.

Density:

3.12

Diaphaneity:

Translucent

Habit:

Fibrous - Crystals made up of fibers.

Hardness:

3 - Calcite

Luminescence:

Non-fluorescent.

Luster:

Pearly

Magnetism:

Nonmagnetic

Streak:

white

Optical Properties of Sussexite

Gladstone-Dale:

CI meas= -0.065 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2101,KPDmeas= 0.2276,KC= 0.2137
Ncalc = 1.67 - 1.72

Optical Data:

Biaxial (-), a=1.67, b=1.728, g=1.732, bire=0.0620

Calculated Properties of Sussexite

Electron Density:

Bulk Density (Electron Density)=3.24 gm/cc
note: Specific Gravity of Sussexite =3.38 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Sussexite= 12.45 barns/electron
U=PE_Sussexite x rElectron Density= 40.34 barns/cc.

Radioactivity:

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

Sussexite Classification

Dana Class:

25.02.01.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen

(25.02)Dana Type

(25.02.01)Dana Group

25.02.01.01 Sussexite MnBO2(OH) P 2₁/c 2/m

25.02.01.02 Szaibelyite MgBO2(OH) P 2₁/a 2/m

Strunz Class:

06.BA.15 06 - BORATES

06.B - Diborates

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

06.BA.15 Sussexite MnBO2(OH) P 2₁/c 2/m

06.BA.15 Szaibelyite MgBO2(OH) P 2₁/a 2/m

Other Sussexite 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 Sussexite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Palache)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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

Sussexite

MnBO2(OH)
Dana No: 25.02.01.01 Strunz No: 06.BA.15
Locality:

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