Mineral guideCarley Moses

Gypsum• Luster: non metalic• Cleavage: (010)• Fracture: fiberous• Colour: colourless or white• Streak: white• Hardness: softer than a finger nail• Mos: 1.5-2

Graphite• Luster: metalic• Cleavage: basel• Fracture: flakey• Colour: black• Streak: black• Hardness: harder tha a finger nail• Mos: 1-2

pyite• Luster: metalic• Cleavage: indistinct• Fracture: very uneven• Colour: gold• Streak: gray• Hardness: harder than a finger nail• Moes: 6-6.5

Feldspar• Luster: non-metalic• Cleavage: triclinic• Fracture: along cleavage planes• Colour: red• Streak: colourless or white• Hardness: harder than glass• Moes: 6-6.5

Quartz• Luster: non-metalic• Cleavage:indistinct• Fracture: conchoidal• Colour: colourless• Streak: colourless• Hardness: harder than glass• Moes: 7

Biotite mica• Luster: non-metalic• Cleavage: perfect on (001)• Fracture: micaeous• Colour: brown• Streak: white• Hardness: softer than a finger nail• Moes: 2.5-3

magnetite• Luster: metalic• Cleavage: indistrict• Fracture: uneven• Colour: black• Streak: black• Hardness: harder than glass• Moes: 5.5-6.5

Talc• Luster: non-metalic• Cleavage: basal • Fracture: flat surfaces• Colour: light green• Streak: white• Hardness: softer than a finger nail• Moes: 1

Hematite• Luster: non-metalic• Cleavage: non• Fracture: uneven• Colour: red• Streak: red• Hardness: harder than a finger nail• Moes: 5.5-6.5

Barite• Luster: non-metalic• Cleavage: perfect along parallel to the base• Fracture: irregular/uneven• Colour: red/gray• Streak: white• Hardness: harder than a finger nail• Moes: 3-3.5

Calcite• Luster: non-metalic• Cleavage: perfect on (1011)• Fracture: conchoidal• Colour: white• Streak: white• Hardness: harder than a finger nail• Moes: 3

Fluorite• Luster:• Cleavage: ortachedral• Fracture: subconchoidal to uneven• Colour: all of the above• Streak: white• Hardness: harder than a finger nail• Moes: 4

Galena• Luster: metalic• Cleavage: cubic• Fracture: subconchoidal • Colour: gray to silver• Streak: lead gray• Hardness: harder than a finger nail• Moes: 2.5

Halite• Luster: non-metalic• Cleavage: perfect 3 direction cubic• Fracture: conchiodal• Colour: colourless or white• Streak: white• Hardness: harder than a finger nail• Moes: 2-2.5

Muscovite mica• Luster: metalic• Cleavage: perfect• Fracture: micaceous• Colour: gold• Streak: white• Hardness: softer than a finger nail• Moes: 2

sulfur• Luster: non-metalic• Cleavage: none• Fracture: smooth• Colour: bright yellow• Streak: yellow• Hardness: softer than a finger nail• Moes: 1.5

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