Listing description
Cassiterite is a tin oxide mineral, SnO2. It is
generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem.
Detailed description
Cassiterite has been the chief tin ore throughout ancient
history and remains the most
important source of tin today.
Most sources of cassiterite today are found in alluvial or placer deposits containing the resistant weathered
grains. The best sources of primary cassiterite are found in the tin mines
of Bolivia, where it is found
in hydrothermal veins. Rwanda has a nascent cassiterite mining industry.
Fighting over cassiterite deposits (particularly in Walikale) is a major cause of the conflict
waged in eastern parts of the Democratic Republic
of the Congo.[6][7] This has led
to cassiterite being considered a conflict mineral.
Cassiterite is a widespread minor constituent
of igneous rocks. The Bolivian veins
and the old exhausted workings of Cornwall, England, are concentrated
in high temperature quartz veins
and pegmatitesassociated with granitic intrusives. The veins commonly contain tourmaline, topaz, fluorite, apatite, wolframite, molybdenite, and arsenopyrite. The mineral occurs extensively
in Cornwall as surface
deposits on Bodmin Moor, for
example, where there are extensive traces of an hydraulic mining method known
as streaming. The current major tin production comes from placer or
alluvial deposits in Malaysia, Thailand, Indonesia, the Maakhir region of Somalia, and Russia. Hydraulic mining methods are
used to concentrate mined ore, a process which relies on the high specific gravity of the SnO2 ore,
of about 7.0.
PRICE
$21.198/KG
For more information:
mobile: +2348039721941
contact person: emeaba uche
e-mail: emeabau@yahoo.com
website: www.franchiseminerals.com
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