Mineral Lab By Alex Tween
Biotite Mica Luster: non-metallic Cleavage: cleavage Color: black or brown Streak color: colorless Hardness: softness of a fingernail
Calcite Luster:
non-metallic
Cleavage:
cleavage Color:
white
Streak
color: white
Hardness:
that glass
softer
Feldspar
Luster: non-metallic
Cleavage: cleavage
Color: varied
Streak color: colorless
Hardness: harder that glass
Flurite
Luster: non-metallic
Cleavage: cleavage
Color: purple
Streak color: colorless
Hardness: softer than glass
Galena
Luster: metallic
Cleavage: cleavage
Color: gray
Streak color:
Gray to black
Hardness: softness of fingernail
Graphite
Luster: metallic
Cleavage: cleavage
Color: black to gray
Streak color: black to gray
Hardness: softer than fingernail
Gypsum Luster:
non-metallic
Cleavage:
cleavage Color:
colorless
Streak
color: white
Hardness:
softer that a fingernail
Halite
Luster: non-metallic
Cleavage: cleavage
Color: colorless
Streak color: colorless
Hardness: softer that fingeranail
Hermatite Luster:
metallic
Cleavage:
fracture
Color:
silver red
Streak
color: red
Hardness:
that glass
harder
Magnetite Luster:
metallic
Cleavage:
fracture
Color:
black
Streak
color: black
Hardness:
than glass
harder
Muscovite Mica Luster:
non-metallic
Cleavage:
cleavage Color:
whit
Streak
color: white
Hardness:
softer than fingernail
Pyrite Luster:
metallic
Cleavage:
fracture
Color:
gold
Streak
color: black
Hardness:
than glass
harder
Quartz
Luster: non-metallic
Cleavage: cleavage
Color: colorless
Streak color: colorless
Hardness: harder than glass
Sulfur Luster:
non-metallic
Cleavage:
fracture
Color:
yellow
Streak
color: yellow
Hardness:
softer than fingernail