TGMS Show Quiz! TGMS Show – Quiz Case Name(Required) First Last Phone(Required)Email(Required) 1. February 12 has been designated Worldwide Pegmatite Day. True False 2. Hawaii is not known for its granitic pegmatites. True False 3. Some people prefer pegmatite-produced tourmaline specimens. True False 4. Pegmatites are the primary source of rare earth elements True False 5. Emeralds are found in the pegmatites of Muso, Columbia. True False 6. Pure beryl is colorless. True False 7. Most granitic pegmatites contain crystal pockets. True False 8. Uranium is absent from pegmatites. True False 9. Black tourmaline is called schorlite. True False 10. Gabbroic pegmatite is composed predominantly of pyroxene and plagioclase feldspar. True False 11. About 25% of known minerals have been found in pegmatites. True False 12. The term pegmatite was first used by René Haüy (1822) for graphic granite (intergrowth of quartz and microcline feldspar with runic writing appearance). True False 13. Heliodor, beryllonite, aquamarine, and morganite are all varieties of beryl. True False 14. Aquamarine can be pink in color. True False 15. The rose quartz on display in this case is from Ukraine. True False 16. Triphane is a variety of spodumene. True False
