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Cabalzarite (Ca(Mg,Al,Fe3+)2(AsO4)2·20(H2O,OH) is a mineral first found in an abandoned mine in Falotta, Graubünden, Switzerland and named for Walter Cabalzar, an amateur mineralogist of Chur, Switzerland who contributed to the mineralogy of the Graubünden canton.
Industry:Geology; Mining
Teruggite is a mineral with the chemical formula Ca4MgAs2B12O22(OH)12·12(H2O). It is colorless. Its crystals are monoclinic prismatic. It is transparent. It is not radioactive. It has vitreous luster. Teruggite is rated 2.5 on the Mohs Scale of hardness.
Industry:Geology; Mining
Tsumcorite is a rare hydrated lead arsenate mineral that was discovered in 1971, and reported by Geier, Kautz and Muller. It was named after the TSUMeb CORporation mine at Tsumeb, in Namibia, in recognition of the Corporation's support for mineralogical investigations of the orebody at its Mineral Research Laboratory.
Industry:Geology; Mining
Bromellite, whose name derives from the Swedish chemist Magnus von Bromell (1670-1731), is a white oxide mineral, found in complex pegmatitic manganese-iron deposits, but is more frequently made synthetically. This is a rare mineral to encounter in its natural state, but it has been made synthetically for over 40 years.
Industry:Geology; Mining
Aeschynite-(Y) (or Aeschinite-(Y), Aeschynite-(Yt), Blomstrandine, Priorite) is a rare earth mineral of yttrium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen with formula: (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6. Its name comes from the Greek word for "shame". Its Mohs scale rating is 5 to 6.
Industry:Geology; Mining
Carobbiite, chemical formula KF (potassium fluoride), is a rare, soft (Mohs 2 - 2.5), colorless cubic mineral. It is found at Monte Somma, Somma-Vesuvius Complex, Province of Naples, Campania, Italy. It was discovered in 1956 by Italian geologist Guido Carobbi (1900-1983). It has also been reported from Hokkaido, Japan.
Industry:Geology; Mining
Susannite is a lead sulfate carbonate hydroxide mineral. It has the formula Pb4SO4(CO3)2(OH)2. Susannite is the higher temperature phase of the two and forms above 80 °C when fluids oxidize the lead ore deposits. It is trimorphous with leadhillite and macphersonite.
Industry:Geology; Mining
Magnesite is a mineral with the chemical formula MgCO3 (magnesium carbonate). It occupies one end of a solid solution series with siderite (FeCO3), as the iron ion Fe2+ substitutes for the magnesium ion Mg2+. Calcium, manganese, cobalt and nickel may also occur in small amounts.
Industry:Geology; Mining
Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, which in Swedish is alternatively named tungsten.
Industry:Geology; Mining
Ulvöspinel or ulvite is an iron titanium oxide mineral with formula: Fe2TiO4 or TiFe2+2O4. It forms brown to black metallic isometric crystals with a Mohs hardness of 5.5 to 6. It belongs to the spinel group of minerals, as does magnetite, Fe3O4.
Industry:Geology; Mining
