Science Quiz / minerals in a general geology course

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Can you name the minerals in a general geology course?

by cabulen
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DescriptionMineral NameFormula
Nonsilicate mineral that can be magneticFe3O4
Nonsilicate mineral that can fizz in HCl acidCaCO3
Silicate mineral that can feel soapy; Hardness=1H2Mg3(SiO3)4
Silicate mineral that can be chalkyAl2Si2O5(OH)4
Nonsilicate mineral with red streakFe2O3
Nonsilicate mineral with 4 planes of cleavage; Hardness=4CaF2
Silicate mineral that is harder than glass and can appear olive green(Fe,Mg)2SiO4
Silicate mineral that can appear deep red and has conchoidal fractureAdvanced silicate formula
Nonsilicate mineral with hardness of 2CaSO4*2H2O
Nonsilicate mineral with yellow streak that smells like sulfurZnS
DescriptionMineral NameFormula
Silicate mineral that can appear black with 2 planes of cleavage not at 90 degreesAdvanced silicate formula
Silicate mineral that can have 1 plane of cleavage and appear darkAdvanced silicate formula
Nonsilicate mineral that has a greenish-black streak, looks like gold, and can be cubicFeS2
Nonsilicate mineral that can have 3 planes of cleavage at 90 degrees and taste like saltNaCl
Silicate mineral that can have 1 plane of cleavage and appear clearAdvanced silicate formula
Silicate mineral that has a hardness of 7 and can have a crystal form with 6 sidesSiO2
Nonsilicate mineral that is very dense; State mineral of MissouriPbS
Nonsilicate mineral that is used in pencil lead, can feel greasy, and leaves a gray streakC
Silicate mineral that has 2 planes of cleavage at 90 degrees and exhibits exsolution lamellae; Hardness=6KAlSi3O8
Silicate mineral with 2 planes of cleavage and exhibits striations(Na,Ca)Al(1-2)Si(2-3)O8

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