minerals physical properties. talc talc color – white, sea green, or gray luster – pearly...
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![Page 1: MINERALS Physical Properties. TALC TALC Color – white, sea green, or gray Luster – pearly Hardness – 1 Streak – white to pale gray Cleavage – yes Fracture](https://reader030.vdocument.in/reader030/viewer/2022032415/56649f205503460f94c3874d/html5/thumbnails/1.jpg)
MINERALSPhysical Properties
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TALC
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TALCColor – white, sea green, or gray
Luster – pearly
Hardness – 1
Streak – white to pale gray
Cleavage – yes
Fracture – uneven
Uses – paint, baby powder, paper, rubber, cosmetics
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GYPSUM
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GYPSUM• Color – white, gray,
clear, yellow, red, brown
• Luster – glassy, pearly
• Hardness – 2
• Streak – white
• Cleavage – yes
• Fracture – fibrous or thin
• Uses – wallboard, plaster, cement, plaster of Paris
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CALCITE
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CALCITEColor – white, gray, clear, yellow, red, brown, green, blue, or orange
Luster – glassy
Hardness – 3
Streak – white
Cleavage – yes
Fracture – conchoidal (rounded)
Uses – cement, medication, paint, soil treatment, concrete
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FLUORITE
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FLUORITEColor – purple, clear, yellow, green, red, blue, pink, black
Luster – glassy
Hardness – 4
Streak – white
Cleavage – yes
Fracture – rounded to uneven
Uses – in drinking water, ornamental, stone
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APATITE
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APATITEColor – green, brown, blue, yellow, violet, clear
Luster – glassy
Hardness – 5
Streak – white
Cleavage – no
Fracture – rounded
Uses – fertilizer, gemstone, part of teeth and bones
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ORTHOCLASE (FELDSPAR)
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ORTHOCLASE (FELDSPAR)
Color – white, reddish, pink, yellow
Luster – glassy
Hardness – 6
Streak – white
Cleavage – yes
Fracture – uneven
Uses – glass, ceramics, gemstone
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QUARTZ (POINTS ON ROCK BASE)
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QUARTZ (POINTS ON ROCK BASE)
Color – clear, white, green, brown, black, yellow, purple, gray, red, pink
Luster – glassy
Hardness – 7
Streak – white
Cleavage – no
Fracture – conchoidal (rounded)
Uses – glass making, optical, electronics
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TOPAZ
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TOPAZ
Color – green, yellow, amber, clear, white, blue, pink
Luster – glassy
Hardness – 8
Streak – colorless, harder than streak plate
Cleavage – yes
Fracture – uneven
Uses – gemstone
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CORUNDUM(UNCUT SAPPHIRES)
Color – gray, white, brown, red,
green, yellow, blue
Luster – glassy
Hardness – 9
Streak – colorless, harder than streak plate
Cleavage – no
Fracture – conchoidal to uneven
Uses – abrasive, polishing, gemstone, sandpaper
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DIAMOND
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DIAMOND (CUT)
Color – clear, green, yellow, red, blue, brown, orange, black
Luster – brilliant
Hardness – 10
Streak – colorless, harder than streak plate
Cleavage – yes
Fracture – conchoidal
Uses – gemstone, abrasive