Mineral Identification 0.0 / 5 ? GeologymineralsA2/A-levelWJEC Created by: Samsp1nkCreated on: 19-11-18 17:28 Quartz Shape: Irregular Colour: White/Grey Hardness: 7 Cleavage: None/ Irregular Lustre: Vitreous Streak: None 1 of 10 Orthoclase feldspar Shape: Rectangular Colour: Pink Hardness: 6 Cleavage: 2 directions Lustre: Dull Streak: White 2 of 10 Muscovite Mica Shape: Sheets Colour: White Hardness: 2.5-3 Cleavage: One direction Lustre: Vitreous Streak: white 3 of 10 Biotite Mica Shape: Sheets Colour: Black Hardness: 2.5-3 Cleavage: One direction Lustre: Vitreous Streak: white 4 of 10 Augite (Pyroxene) Shape: Square or 8 sided cross section Colour: Dark green to black Hardness: 5.5-6.5 Cleavage: Two direction at 90 Lustre: Vitreous Streak: White/Grey 5 of 10 Hornblende (Amphibole) Shape: Diamond in cross section Colour: Green/ Black Hardness: 5-6 Cleavage: Two directions at 60 Lustre: Shiny Streak: White 6 of 10 Olivine Shape: Rounded Colour: Green/ Yellow Hardness:6-7 Cleavage: Poor Lustre: Vitreous Streak: White/ Grey 7 of 10 Calcite Shape: Irregular/ Rhombic Colour: White/Grey/ Transparent Hardness: 3 Cleavage: Three Directions Lustre: Vitreous Streak: White 8 of 10 Garnet Shape: Rounded/ Six sided in cross section Colour: Red to brown Hardness: 6-7.5 Cleavage: Poor Lustre: Vitreous Streak: White 9 of 10 Kyanite Shape: Flat Colour: Blue, white, grey Hardness: 5.5-7 Cleavage: Two directions Lustre: Vitreous Streak: White 10 of 10
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