Wodginite over cassiterite
|Category||Oxide - Tantalate mineral|
|Color||Reddish brown, dark brown to black|
|Crystal habit||Flattened dipyramidal to prismatic crystals in radiating groups; granular, massive.|
|Crystal system||Monoclinic - Prismatic H-M Symbol (2/m)|
|Twinning||Very common as penetration twins|
|Mohs scale hardness||5.5|
|Diaphaneity||Opaque, translucent in thin fragments|
It occurs in pegmatites in a wide variety of locations. The most studied is the Tanco pegmatite in Manitoba, Canada; also in Red Lake, Ontario. It is reported from the Strickland quarry, Portland, Middlesex County, Connecticut; the Herbb #2 pegmatite, Powhatan County, Virginia; the McAllister mine, Rockford, Coosa County, Alabama; the Peerless mine, Pennington County, South Dakota. Also from Paraíba and Minas Gerais, Brazil; Krasonice, Czech Republic; Orivesi, Finland; Kalba, eastern Kazakhstan; Ankole, Uganda; Miami district, Zimbabwe and Karibib and Kohero, Namibia.
|Wikimedia Commons has media related to Wodginite.|
- Nickel, E H; Rowland, J F; McAdam, R C (1963). "Wodginite - A new tin-manganese tantalate from Wodgina, Australia and Bernic lake, Manitoba". The Canadian Mineralogist 7: 390–402.
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