Mushistonite Mineral Data

Mushistonite Mineral Data +

General Mushistonite Information

Chemical Formula:

(Cu,Zn,Fe)Sn++++(OH)6

Composition:

Molecular Weight = 284.27 gm

Zinc 9.20 % Zn 11.45 % ZnO

Iron 1.96 % Fe 2.53 % FeO

Copper 11.18 % Cu 13.99 % CuO

Tin 41.76 % Sn 53.02 % SnO₂

Hydrogen 2.13 % H 19.01 % H₂O

Oxygen 33.77 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu_0.5Zn_0.4Fe²⁺_0.1Sn(OH)₆

Environment:

Oxidized zone of a tin deposit, replacing stannite.

IMA Status:

Approved IMA 1984

Locality:

Mushiston tin deposit, Kaznok, Tadzhikistan. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

ICSD 194

PDF 20-369

Mushistonite Image

Images:

Click Here for Larger Mushistonite Image

Mushistonite Kesterite

Comments: Sharp, kesterite crystal, greenish in color due to a mushistonite coating with clear, prismatic beryl crystals.
Location: Xue Bao Diang Mountains, north of Pingwu, Sichuan Province, China. Scale: Crystal size 1 cm.
© Dan Weinrich

Images:

Mushistonite

Comments: Green crystalline mushistonite coatings on quartz.
Location: Etta Mine, Keystone, Pennington County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mushistonite Crystallography

Cell Dimensions:

a = 7.735, Z = 4; V = 462.79 Den(Calc)= 4.08

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P n3m

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

By Intensity(I/I_o): 3.88(1), 2.74(0.5), 1.729(0.35),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
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Morgenstern-Badarau I , Journal of Solid State Chemistry , 17 (1976) p.399-406, Effet Jahn-Teller et structure cristalline de l hydroxyde CuSn(OH)6

Physical Properties of Mushistonite

Color:

Brownish green, Malachite green.

Density:

4.04

Diaphaniety:

Transparent

Habit:

Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Optical Properties of Mushistonite

Optical Data:

Isotropic.

NCalc= 1.76 - from Gladstone-Dale relationship (KC = 0.1871) where Ncalc=Dcalc*KC+1
NCalc= 1.76 - from Gladstone-Dale relationship (KC = 0.1871) where Ncalc=Dmeas*KC+1

Calculated Properties of Mushistonite

Electron Density:

r_electron=3.82 gm/cc
note: r_Mushistonite=4.08 gm/cc.

Fermion Index

Fermion Index = 0.07375
Boson Index = 0.92625

Photoelectric:

PE_Mushistonite= 133.21 barns/electron
U=PE_Mushistonite x r_electron= 508.95 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Mushistonite is Not Radioactive

Mushistonite Classification

Dana Class:

6.3.6.6 (6)Hydroxides and Oxides Containing Hydroxyl

(6.3)with (OH)3 or (OH)6 groups

(6.3.6)Wickmanite group (Cubic or Trigonal, 2+ cations containing Sn)

6.3.6.1 Wickmanite MnSn(OH)6 P n3m 4/m 3 2/m

6.3.6.2 Schoenfliesite MgSn(OH)6 P n3 2/m 3

6.3.6.3 Natanite FeSn(OH)6 P n3m 4/m 3 2/m

6.3.6.4 Vismirnovite ZnSn(OH)6 P n3m 4/m 3 2/m

6.3.6.5 Burtite CaSn(OH)6 R 3 3

6.3.6.6 Mushistonite (Cu,Zn,Fe)Sn(OH)6 P n3m 4/m 3 2/m

Strunz Class:

IV/F.16-50 IV - Oxides

IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure

IV/F.16 - Schoenfliesite group

IV/F.16-10 Schoenfliesite MgSn(OH)6 P n3 2/m 3

IV/F.16-20 Burtite CaSn(OH)6 R 3 3

IV/F.16-30 Wickmanite MnSn(OH)6 P n3m 4/m 3 2/m

IV/F.16-40 Natanite FeSn(OH)6 P n3m 4/m 3 2/m

IV/F.16-50 Mushistonite (Cu,Zn,Fe)Sn(OH)6 P n3m 4/m 3 2/m

IV/F.16-60 Vismirnovite ZnSn(OH)6 P n3m 4/m 3 2/m

Other Mushistonite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Mushistonite :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Mushistonite

(Cu,Zn,Fe)Sn++++(OH)6
Dana No: 6.3.6.6 Strunz No: IV/F.16-50
Locality:

Notes: