Wodginite
From Wikipedia, the free encyclopedia
FormulaMn2+(Sn,Ta)Ta2O8
Strunz classification4.DB.40
| Wodginite | |
|---|---|
 Wodginite over cassiterite | |
| General | |
| Category | Oxide - Tantalate mineral |
| Formula | Mn2+(Sn,Ta)Ta2O8 |
| IMA symbol | Wdg[1] |
| Strunz classification | 4.DB.40 |
| Dana classification | 08.01.08.01 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c (no. 15) |
| Identification | |
| Color | Reddish brown, dark brown to black |
| Crystal habit | Flattened dipyramidal to prismatic crystals in radiating groups; granular, massive. |
| Twinning | Very common as penetration twins |
| Cleavage | none |
| Fracture | Irregular |
| Tenacity | Brittle |
| Mohs scale hardness | 5.5 |
| Luster | Sub-metallic |
| Streak | Brown |
| Diaphaneity | Opaque, translucent in thin fragments |
| Specific gravity | 7.19–7.36 |
| References | [2][3][4][5] |
Wodginite is a manganese, tin, tantalum oxide mineral with the chemical formula Mn2+(Sn,Ta)Ta2O8. It may also include significant amounts of niobium.[2][3]
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