mineral general info

Cassiterite

Cassiterite on quartz

Neat cluster of cassiterite crystals to 3 mm on quartz specimen

Origin: Rossarden (Aberfoyle) Tin mine, Rossarden, Tasmania, Australia

Sample size: 4 mm crystal (top), 5 mm crystal (2nd row), 25 mm specimen (bottom)

Sample owner: Vic Cloete

Photo courtesy of:

Dark brown water worn crystal from an alluvial tin deposit

Origin: Neineis, Namibia

Sample size: 3 x 3 cm

Variety woodtin, pale brown reniform cassiterite

Origin: Actara near Colquachaca, Bolivia

Sample size: 1.5 x 2.5 cm in glass vial

Brownish-black streamworn single crystals, fragments

Origin: Rwanda

Sample size: 2 x 2.5 cm (left), 2 x 3 cm (right)

Origin: Modoto, Modotin, Mongolia

Sample size: 2 x 2.3 cm

Photo courtesy of:

Diederik Visser

Cassiterite with quartz

Origin: Wenshan Mine, Yunnan Province, China

Sample size: 7.2 x 7.0 x 4.5 cm

Photo courtesy of:

Rob Lavinsky

Origin: Viloco, Loayza Province, La Paz Dept., Bolivia

Ex. Don Belsher collection

Sample size: 4.7 x 3.8 x 1.8 cm

Photo courtesy of:

Dan Weinrich