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Minerals

Naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure. It is different from a rock, which can be an aggregate of minerals or non-minerals, and does not have a specific chemical composition. The general definition of a mineral encompasses the following criteria: 1 - Naturally occurring 2 - Stable at room temperature 3 - Represented by a chemical formula 4 - Usually abiogenic 5 - Ordered atomic arrangement

Industry: Geology; Mining

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Minerals

moolooite

Geology; Minerals

Moolooite is a rare blue-green mineral with the formula Cu ++ (C 2 O 4 )·n(H 2 O) (n<1) (making it a hydrated copper oxalate). It was discovered by Richard M Clarke and Ian R Williams in Bunbury ...

tinaksite

Geology; Minerals

Tinaksite (K 2 Na(Ca,Mn 2+ ) 2 Ti(O

ulexite

Geology; Minerals

Ulexite (NaCaB 5 O 6 (OH) 6 •5(H 2 O)) (hydrated sodium calcium borate hydroxide), sometimes known as TV rock, is a mineral occurring in silky white rounded crystalline masses or in parallel fibers. ...

corundum

Geology; Minerals

Corundum is a crystalline form of aluminium oxide (Al 2O 3) with traces of iron, titanium and chromium. It is a rock-forming mineral. It is one of the naturally clear transparent materials, but can ...

niter

Geology; Minerals

Niter (American English) or nitre (most English-speaking countries) is the mineral form of potassium nitrate, KNO 3 , also known as saltpeter in America or saltpetre in other English speaking ...

staurolite

Geology; Minerals

Staurolite is a red brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has a Mohs hardness of 7 to 7.5 and a rather complex ...

povondraite

Geology; Minerals

Povondraite is a rare silicate mineral from the tourmaline group with formula: NaFe 3+ 3 (Fe 3+ 4 ,Mg 2 )(BO 3 ) 3 Si 6 O 18 (OH) 3 O. It is a dark brown to black nearly opaque mineral with a ...

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