Stishovite Mineral Data + 
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- 4.4.1.1 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.2 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.3 Struverite (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.4 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.5 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.6 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.7 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
- 4.4.1.8 Squawcreekite? (Fe,Sb,W)O4·(H2O) P 4/mnm 4/m 2/m 2/m
- 4.4.1.9 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
- IV/D.01-10 Quartz SiO2 P 3121,P 3221 3 2
- IV/D.01-20 Tridymite SiO2 F1 1
- IV/D.01-30 Cristobalite SiO2 P 41212 4 2 2
- IV/D.01-35 Moganite! SiO2 I2/a 2/m
- IV/D.01-40 Melanophlogite SiO2·n(C,H,O,S) P 41/nbc 4/m 2/m 2/m
- IV/D.01-40* Melanophlogite-beta! SiO2·n(C,H,O,S) P m3n 4/m 3 2/m
- IV/D.01-50 Coesite SiO2 C 2/c 2/m
- IV/D.01-60 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
- IV/D.01-70 Lechatelierite* SiO2 None
- IV/D.01-80 Opal SiO2·n(H2O) None
General Stishovite Information |
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 Chemical Formula: |
SiO2 | ||
| Composition: |
Molecular Weight = 60.08 gm | ||
| Silicon 46.74 % Si 100.00 % SiO2 | |||
| Oxygen 53.26 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
(SiO2) | ||
| IMA Status: |
Approved IMA 1962 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 68409 | ||
| PDF 45-1374 | |||
Search for Stishovite Images | |||
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Images:
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Stishovite Crystallography |
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| Axial Ratios: |
a:c = 1:0.63768 | ||
| Cell Dimensions: |
a = 4.179, c = 2.6649, Z = 2; V = 46.54 Den(Calc)= 4.29 | ||
| Crystal System: |
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.959(1), 1.53(0.5), 1.981(0.35), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Stishovite |
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| Color: |
Colorless. | ||
| Density: |
4.35 | ||
| Diaphaniety: |
Transparent | ||
| Hardness: |
7.5-8 | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Stishovite |
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| Gladstone-Dale: |
CI meas= 0.102 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.089 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1894,KPDmeas= 0.1868,KC= 0.208 |
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| Optical Data: |
Uniaxial (+), w=1.799, e=1.826, bire=0.0270. | ||
Calculated Properties of Stishovite |
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| Electron Density: |
relectron=4.28 gm/cc |
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| Fermion Index |
Fermion Index = 0.02208 Boson Index = 0.97792 |
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| Photoelectric: |
PEStishovite = 1.80 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Stishovite is Not Radioactive |
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Stishovite Classification |
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| Dana Class: |
4.4.1.9 (4)Simple Oxides | ||
| (4.4)with a cation charge of 4+ (A++++ O2) | |||
| (4.4.1)Rutile group (Tetragonal: P4/mnm) | |||
| Strunz Class: |
IV/D.01-60 IV - Oxides | ||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.01 - Quartz group | |||
Other Stishovite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Stishovite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (MinSocAm) 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 - Mineral and Gemstone Kingdom 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 -University of Colorado - Mineral Structure Data 16 - University of Manchester - Mineral Structure 17 - WWW-MINCRYST 18 -École des Mines de Paris Search for Stishovite using: Visit our Advertisers for Stishovite : Translate Stishovite Mineral Data : Ask about Stishovite here : Print or Cut-and-Paste your Stishovite Specimen Label here :
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