Mineralienatlas - Fossilienatlas
Hydrougrandite |
Collectors Summary
Color | grün |
Streak color | weiß |
Lustre | Glasglanz |
Hardness (Mohs) | 5.00 - 6.00 |
Chemism
Chemical formula |
(Ca,Mg,Fe2+)3(Fe3+,Al)2(SiO4)3-x(OH)4x |
Chemical composition |
Aluminium, Calcium, Eisen, Magnesium, Silicium, Sauerstoff, Wasserstoff |
Analysis wt% |
SiO2 : 34.01, Al2O3 : 8.45, Fe2O3 : 18.28, FeO : 1.72, MgO : 9.96, CaO : 21.47, H2O : 5.47 (Ref: Acta Geologica Sinica 64) |
Strunz 9th edition incl. updates |
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9: Silikate (Germanate) |
|
Lapis Classification |
|
VIII: SILIKATE |
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Classification by Hölzel |
|
9: SILICATES |
|
IMA status |
unnötiger Gruppenname für Hydro-Granate. Diskreditiert von der IMA 1967 |
Mineral status |
Mineralstatus fragwürdig |
Optical Properties
grün |
|
weiß |
|
transparent bis durchscheinend |
|
Glasglanz |
|
RI value α / ω / n |
1.828 |
Ri mean |
1.828 |
2V angle |
Isotropisch |
Crystallography
Crystals 3D
Open larger view |
Physical Properties
5.00 - 6.00 |
|
3.45 |
Preface
Author (Name, Year) |
Tsao, 1964 |
Other languages
Spanish |
Hidrougrandita |
|
German |
Hydrougrandit |
|
English |
Hydrougrandite |
|
French |
Hydrougrandite |
Alternative Name
Hydro-Ugrandit |
||
Hydrougrandita |
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Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | 3Zi5moPB-02rNLbSTgEm6w |
GUID (Global unique identifier) | 9AB998DD-C183-4DFB-AB34-B6D24E0126EB |
Database ID | 1656 |