How To Use cassiterite In A Sentence
- Arsenopyrite, cassiterite, molybdenite, wolframite, uraninite, and several of the common sulfides have all been observed at various locations.
- It occurred in weathered material with colorless transparent cassiterite, which is thought to have been derived from the oxidation of stannite.
- Congo has diamonds, gold, copper, cobalt, cassiterite (tin ore) and coltan as well as timber, coffee and oil, little of which has benefited the Congolese, since the brutal rule of Belgium during colonial times. Evelyn Leopold: Congo Massacres: First Revenge, Then Blood Money
- Arsenopyrite, cassiterite, molybdenite, wolframite, uraninite, and several of the common sulfides have all been observed at various locations.
- They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
- In the Democratic Republic of Congo, armed groups force villagers to mine minerals like wolframite and cassiterite. Stanford Students Take Stand Against 'Conflict Minerals'
- On April 23rd, Republican senator Sam Brownback introduced the Congo Conflict Minerals Act of 2009, cosponsored by senators Russ Feingold and Dick Durbin, which would require American companies mining coltan, cassiterite, and wolframite to report annually to the Security and Exchange Commission (SEC), the agency that regulates American financial markets, to disclose the country of origin of the minerals to the Securities and Exchange Commission. Global Voices in English » New bill to increase oversight of American mining companies in DRC
- Feldspar has been hydrothermally altered by a fluorine-rich water vapor to quartz, mica (usually lithian), topaz and/or tourmaline with fluorite, cassiterite, molybdenite, rutile, and wolframite as typical accessory minerals.
- They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
- The chief commodity sought is tin, as fine-grained cassiterite in vein swarms related to the emplacement of granitic rocks within sedimentary carbonates.