scheelite

  • 91Scapolite — (Gr. asairos , rod, stone), is a group of rock forming silicate minerals composed of aluminium, calcium and sodium silicate with chlorine, carbonate and sulfate. The variations in composition of the different members of the group may be expressed …

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  • 92Axel Fredrik Cronstedt — Baron Axel Fredrik Cronstedt (1722 – 1765) was a Swedish chemist who discovered nickel in 1751, he was a mining expert with the Bureau of Mines. Cronstedt described it as kupfernickel (the devil s copper). He was a pupil of Georg Brandt, the… …

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  • 93Powellite — For Enoch Powell, see here. For his political philosophy known as Powellism, see here. Infobox mineral name = Powellite category = Mineral Species boxwidth = boxbgcolor = imagesize = caption = formula = CaMoO4 molweight = 200.02 gm color = Yellow …

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  • 94Volcanogenic massive sulfide ore deposit — Volcanogentic massive sulfide ore deposit at Kidd Mine, Timmins, Ontario, Canada, formed 2.4 billion years ago on an ancient seafloor. Volcanogenic massive sulfide ore deposits (VMS ) are a type of metal sulfide ore deposit, mainly Cu Zn Pb which …

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  • 95Death Valley Junction, California — Death Valley Junction   Unincorporated community   …

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  • 96Mittersill — Mittersill …

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  • 97Tungstate — The tungstate ion is WO42−.A tungstate (compound) is a compound containing the tungstate ion, or more complicated polymeric ions. Tungstates are salts of tungstic acid.See the for a list of tungstates.OccurrenceTungstates occur naturally with .… …

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  • 98Tungsten ore — may refer to:*Wolframite *Scheelite …

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  • 99Mount Tom (California) — Mount Tom Mount Tom in winter Elevation 13,658 ft (4,163 m)  …

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  • 100Porphyry copper deposit — Porphyry copper deposits are copper orebodies which are associated with porphyritic intrusive rocks and the fluids that accompany them during the transition and cooling from magma to rock. Circulating surface water or underground fluids may… …

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