Mineral properties for names Flashcards by Genevieve Tay

soapy/ greasy texture
variety of colour
Hardness of 1
Earthy or pearly luster
iron nugget

Talc

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tilted cleavage, never a perfect cube
angled
vitreous luster
clear colour
hardness of 2

Gypsum

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diagonal facing lines within the mineral.
creamy/ foggy white
3 cleavage
hardness of 3
vitreous luster

Calcite

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pale green
hardness of 4
vitreous luster
emerald/amethyst

Flourite

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greasy
variety of colours-green
hardness of 5
vitreous luster
green, could be blue, or within another rock
sugary

Apatite

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vitreous luster
hardness of 6
salmon
rough feeling
looks like it has veins.
you MICROwave salmon

microcline

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clear
hardness of 7
vitreous luster
crystal movie look- can be
hexagonal/ diamond look

quartz

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soft/smooth feeling
dusty clear
hardness of 8
vitreous luster
nether quartz
birthstone

topaz

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brown
Adamantine to vitreous luster
hardness of 9
dumb

corundum

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variety of colour- green main mineral
hardness of 5-6
tiny crystals in the mineral
vitreous luster
obsidian

Actinolite

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grey colour
hardness 6.5-7.5
vitreous luster
clay

Albite

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vitreous luster
hardness of 6.5-7.5
goldy brown colour
main mineral is red anything else extra
made up of tiny pieces (pixely)
redstone

garnet

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vitreous luster
hardness of 5-6
black/brown colour
looks like your average rock bro

pyroxene

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vitreous luster
hardness of 2.5-3
fragile
thin
black in colour
flint& steel

Biotite

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vitreous luster
hardness of 3.5-4
white marbly
grainy
gravel

chlorite

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shiny
black dots
vitreous luster
hardness of 2
smooth
dalmation

Dolomite

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vitreous luster
black colour
hardness of 5-6
very shiny
coal

Hornblende

chalky- chalk ends with a K
white
dusty
Earthy luster
white streak
hardness of 2-2.5
skeleton bone

Kaolinite

thin
clear
vitreous luster
plasticky
window pain

muscovite

vitreous luster
olive green= olivine
6.5-7 hardness
sandpaper feel.

Olivine

vitreous luster
white/brown colour
hardness of 6.5
cobblestone
marbly

Chert

vitreous luster
7-7.5 hardness
clear
inside the mineral fractured crystals

Quartz

waxy Luster
sage green
hardness of 2.5-3.5
green but hidden within other minerals.

Serpentine

Earthy luster
brown salmon
1.5-3.0 hardness
Streak is orange.
looks like bubbles/circles in the mineral
sandstone/end stone

Bauxite

metallic luster black/grey streak 3.5-4 hardness gold green colour gold nugget/glow stone feels rough. pirate/ painted

Chalcopyrite

metallic luster 2.5 hardness grey colour grey/black streak more shiny blue heavy stain glass borg cube

Galena

metallic luster pencil lead dusts onto your finger dark grey streak silver dark colour 1-2 hardness

Graphite

vitreous luster less hard than quartz (2.5) clear colour cube- ice tray smooth feeling glass block

Halite

vitreous luster red streak red brown colour grainy nether block

Hermatite

woolly luster looks moldy. light orange streak brown moldy colour lemons go moldy 4-5.5 hardness nether sand (soul sand) feels grainy.

Limonite

vitreous luster grey colour 5.5-6.5 hardness sparkly rough fuzzy- sandpaper charcoal

Magnetite

Earthy luster grey streak green colour 3.5-4 hardness feels fuzzy. lapis

Malachite

metallic luster gold color favourite one streak is black. 6-6.5 hardness gold bar pirate

Pyrite

metallic luster 3.5-4 hardness brown, grey colour/black shiny netherite

Sphalerite

vitreous luster chalky- I hate the feeling. yellow- bright colour 1.5-2.5 hardness soapy yellow dye

Sulfer

pearly or vitreous luster many colours often white sparkly opaque 3-3.5 hardness

Barite

metallic luster 1.5 hardness decietful/hidden close to graphite

Molybelenite

metallic luster peacock could be purple hardness of 3 Jesus born that night and brought presents(Gold)

Bornite

metallic luster a bit toxic 5.5-6 hardness silvery hefty

Arsenopyrite

Vitreous luster 7-7.5 hardness stripes layered/ 1 cleavage

Tourmaline

deep blue colour vitreous luster peacock colourful lapis rough/grainy 3.5-4 hardness

Azurite

pink/white hardness of 2 both gypsum more rocky

gypsum #2