Archive for the Polarizing Microscopes Category

Caysichite-(Y)

The chemical composition of mineral Caysichite-(Y) is indicated by the formula Y2(Ca,Gd)2Si4O10(CO3)3(H2O,O,OH)•3H20. Caysichite-(Y) commonly occurs in granite pegmatite lining cavities. Caysichite-(Y) is most commonly found at Evans-Lou feldspar mine, Portland West Township, Quebec, Canada. Caysichite-(Y) was named for the composition (Ca, Y, Si, CO3). Caysichite-(Y) is known to crystallize in…

Catamarcaite

The chemical formula of mineral Catamarcaite is inidcated by Cu6GeWS8. This mineral Catamarcaite commonly occurs as a thin rim lining cavities and fractures in chalcocite-bornite ore. Mineral Catamarcaite is most commonly found at the old dumps near the La Rosario vein, Capillitas epithermal deposit, Catamarca Province, Argentina. Catamarcaite was named…

Cascandite

The chemical formula of mineral Cascandite is indicated by Ca(Sc,Fe++)Si3O8(OH). Cascandite is usually found forming in miarolitic cavities in granite. Mineral Cascandite is usually found from its type of locality from the Diverio quarry, Mt. Mottarone, near Baveno, Piedmont, Italy. Cascandite was named for CAlcium and SCANDium in the composition….

Carrollite

The chemical formula of mineral Carrollite is indicated by the formula Cu(Co,Ni)2S4. It is also found in hydrothermal vein deposits. This mineral is most commonly found in the USA, in the Patapsco mine, Finksburg, and the Mineral Hill mine, Sykesville, Carroll Co., Maryland. Carrollite was named for its occurrence in…

Carobbiite

The chemical formula of mineral Carobbiite is indicated by KF. This mineral Carobbiite is considered as stalactites in cavities in lava. Carobbiite is usually found at its type of locality at Vesuvius, Campania, Italy. Mineral Carobbiite was named for Guido Carobbi (1900-1983), Italian geologist, Institute of Mineralogy and Geochemistry, University…

Cattiite

The chemical formula of mineral Cattiite is indicated by Mg3(PO4)2•22(H2O). This mineral commonly occurs in cavities in a dolomite carbonatite vein that cuts forsterite-magnetite ore. Cattiite is usually found at its type of locality at Zhelezny Mine Kovdor massif, Kola Peninsula, Russia. Cattiite was named for Michele Catti, Professor of…

Cassagnaite

The chemical composition of mineral Cassagnaite  is  indicated by the formula (Ca,Mn++)4(Fe+++,Mn+++,Al)4(OH)4(V+++,Mg,Al)2(O,OH)4(Si3O10)(SiO4)2. Cassagnaite is usually found in fractures in braunite plus quartz layered mineralization, together with piemontite. Cassagnaite is commonly found from its type of locality at Cassagna mine, Val Graveglia, eastern Liguria, northern Apennines, Italy. Cassagnaite was named after…

Cechite

The chemical formula of mineral Cechite is indicated by Pb(Fe++,Mn)(VO4)(OH). Cechite is usually found on specimens form old mine dumps from a polymetallic ore deposit. Cechite is usually found at its type of locality at Vrancice, Pribram, Stredocsky Kraj, Cechy, Bohemia, Czech Republic. Cechite was named for Frantisek Cech (1944-),…

Cavoite

The chemical formula of mineral Cavoite is indiccaed by CaV3O7. Mineral Cavoite is usually found at microcavites in massive caryopilite and rhodocrosite in braunite Mn ore. It is also found at Gambatesa mine, northern Appennines, Liguria, Italy. Cavoite was named for the composition, Ca, V, O. Mineral Cavoite is known…

Caswellsilverite

The chemical formula of mineral Caswellsilverite is indicated by NaCrS2. Caswellsilverite is usually formed as inclusions in enstatite crystals and in the brecciated matrix of a meteorite. Caswellsilverite is usually found at its type of locality in the Norton County enstatite achondrite and the Qingzhen enstatite chondrite meteorites. Caswellsilverite was…