Minerals ID Activity
quartz luster
quartz luster-glassy
quartz streak
quartz streak--clear
quartz hardness--
quartz hardness--7
quartz cleavage or fracture--
quartz fracture
quartz special characteristics
quartz carries an electric current
calcite luster
calcite luster--glassy
calcite streak
streak—white-colorless calcite streak—white-colorless
calcite hardness--
calcite hardness--3
calcite cleavage or fracture--
calcite cleavage
calcite special characteristics
calcite special characteristics double refraction fizzes in HCl
halite luster
halite luster--glassy
halite streak
halite streak--colorless
halite hardness—
halite hardness—2.5
halite cleavage or fracture--
halite cleavage
halite special characteristics
halite special characteristics tastes salty soluble in water
muscovite mica luster
muscovite mica luster--pearly
muscovite mica streak
muscovite mica Streak-colorless
muscovite mica hardness--
muscovite mica hardness--2.5
muscovite mica cleavage or fracture--
muscovite mica cleavage
muscovite mica special characteristics book cleavage
talc luster
talc luster--pearly
talc streak
talc streak—white to pearl black
talc hardness
talc hardness-1
talc cleavage or fracture--
talc cleavage
talc special characteristics book cleavage
talc special characteristics softest known mineral
galena luster
galena luster-metallic
galena streak
galena streak--gray to black
galena hardness—
galena hardness—2.5
galena cleavage or fracture--
galena cleavage
galena special characteristics book cleavage
galena special characteristics source of lead
corundum luster
corundum luster--dull
corundum streak
corundum streak--colorless
corundum hardness—
corundum hardness—9
corundum cleavage or fracture--
corundum fracture
corundum special characteristics industrial abrasive
pyrite luster
pyrite luster--metallic
pyrite streak--
pyrite streak—greenish black
pyrite hardness—
pyrite hardness—6.5
pyrite cleavage or fracture--
pyrite fracture--
pyrite special characteristics fool’s gold
rose quartz luster
rose quartz luster-glassy
rose quartz streak
rose quartz streak--colorless
rose quartz hardness--
rose quartz hardness--7
rose quartz cleavage or fracture--
rose quartz fracture
rose quartz special characteristics used for jewelry
amethyst luster
amethyst luster-glassy
amethyst streak
amethyst streak--colorless
amethyst hardness--
amethyst hardness--7
amethyst cleavage or fracture--
amethyst fracture
amethyst used for jewelry iron gives its purple color special characteristics used for jewelry iron gives its purple color
hematite luster
hematite luster--metallic
hematite streak
hematite streak--red or reddish brown
hematite hardness--
hematite hardness--6
hematite cleavage or fracture--
hematite fracture
hematite special characteristics source of iron
hematite special characteristics source of iron
malachite luster
malachite luster--earthy
malachite streak
malachite streak—light green
malachite hardness--
malachite hardness--3 to 4
malachite cleavage or fracture--
malachite fracture
malachite special characteristics This mineral is identified by color
magnetite
Magnetite luster
Magnetite luster-metallic
magnetite streak-
magnetite streak-black
magnetite hardness-
magnetite hardness-5.5-6.5
magnetite cleavage or fracture
magnetite fracture
magnetite fracture
magnetite special characteristics
magnetite special characteristics magnetic—also called “lodestone”