Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Cassiterite" Definition
noun
A light yellow, red-brown, or black mineral, SnO2, that is an important tin ore. Also called tinstone.
Source: American Heritage Dictionary
A brown or black mineral that consists of tin dioxide and is the chief source of metallic tin .
Source: Merriam-Webster
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