[image]

GALENA

-metallic

-3 cleavage planes

-grey/silver

-soft

-strong cleavage

[image]

POTASSIUM FELDSPAR

-pale white, pale pink, green

-6 hardness

-2 cleavage planes

-strong cleavage at ~90*

[image]

GRAPHITE

-Metallic

-grey/silver

-1 to 2 hardness

-no obvious cleavage

[image]

OLIVINE

-green shade

-6 to 8 hardness

-no obvious cleavage

[image]

MALACHITE

-deep green, tan

-green streak

-fizzes/effervesces

-poor cleavage

-3.5 to 4 hardness

[image]

HORNBLENDE AMPHIBOLE

-black, grey

-60*/120* angle

5 to 6 hardness

-non-metallic

strong, prismatic cleavage

[image]

MAGNETITE

-metallic

-dark grey

-no obvious cleavage

-magnetic

[image]

BAUXITE

-red, black spots on tan background

-lumpy

-non-metallic

-no obvious cleavage

-soft

-Used for aluminum

[image]

BIOTITE MICA

-Black (or f***ing brown...)

-1 parallel cleavage

-2 to 3 hardness

-non-metallic luster

[image]

FLUORITE

-clear blue, yellow, purple etc.

-4 parallel cleavages (octahedral crystals)

-4 hardness

-cubic habit

[image]

MUSCOVITE MICA

-Clear, pale grey (not F***cking brown)

-1 cleavage plane

-2 to 3 hardness

-non-metallic luster

[image]

AZURITE

-Navy blue, green, orange

-medium blue streak

-effervesces

-poor cleavage

-3.5 to 4 hardness

[image]

CHALCOPYRITE

-metallic

-gold color

-grey-black streak

-3 to 4 hardness

-no obvious cleavage or habit

[image]

HALITE

-3 cleavage planes

-90* cleavage planes

-soft

-salty

-strong cleavage planes

[image]

AUGITE

-dark green

-octagon/rectangle prisms

-5 to 6 hardness

-non-metallic luster

-prismatic habit

-~90* cleavage

[image]

CORUNDUM

-Hexagonal Prism shape

-non-metallic

-lack cleavage

-prismatic habit

-9 hardness

-yellow

-1 to 3 hardness

-smells

-no obvious cleavage

[image]

PLAGIOCLASE FELDSPAR (ORTHOCLASE)

-white/grey

-2 parallel cleavage planes

-90* angle

-strong cleavage

-6 hardness

[image]

HEMATITE

-either silver/grey or rust colored

-brown streak

-has two distinct varieties, glittery and dull

[image]

QUARTZ

-clear, pink, grey (translucent and transparent)

-dipyramid prismatic

-hexagonal

-no obvious cleavage

-7 hardness

[image]

CALCITE

-3 parallel cleavage planes (not at 90*)

-effervesces

-has a strong cleavage

-3 hardness

[image]

TALC

-white

-bumpy and smooth

-non-metallic luster

-1 hardness

[image]

GARNET

-dark colored, usually red or red-brown

-dodecahedron habit

-6 to 8 hardness

-non-metallic luster

-no cleavage

[image]

PYRITE

-metallic luster

-gold

-black/grey streak

-isometric crystal system (like a cube)

-no obvious cleavage

[image]

APATITE

-light green

-hexagonal prism crystal system

-prismatic crystal habit

-5 hardness

-non-metallic luster

-white

-has good cleavage

-grows in crystals

-2 hardness

1. Talc

2. Gypsum

3. Calcite

4. Fluorite

5. Apatite

6. K-spar/Plagioclase

7. Quartz

8. Topaz

9. Corundum

10. Diamond