English

Quiz "Minerals"

Minerals

a colourless or white glassy mineral consisting of beryllium silicate in hexagonal crystalline form: occurs in veins in granite. Formula: Be2SiO4

Minerals

a black mineral consisting of an oxide of iron, manganese, and zinc: a source of iron and zinc. Formula: (Fe,Mn,Zn) (Fe,Mn)2O4

Minerals

a grey metallic mineral consisting of a telluride and sulphide of bismuth. Formula: Bi2Te2S

Minerals

a green, grey, or white fibrous mineral, a variety of serpentine, that is an important source of commercial asbestos. Formula: Mg3Si2O5(OH)4

Minerals

any of a group of rock-forming minerals, such as leucite and sodalite, that are similar to feldspars but contain less silica
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