Term
|
Definition
Orthoclase Feldspar
(2 90 degree cleaveages, 6.0 hardness, colorless streak) |
|
|
Term
|
Definition
Plagioclase feldspar
(6.0 hardness, 2 90 degree cleavages, colorless streak) |
|
|
Term
|
Definition
Quartz
(7 hardness, conchoidal, colorless streak) |
|
|
Term
|
Definition
Pyroxene
(5 hardness, 2 90 degree cleavages, colorless streak) |
|
|
Term
|
Definition
Amphibole
(5 hardness, 2 cleavages at 60 and 120, white streak) |
|
|
Term
|
Definition
Biotite mica
(2 hardness, platy, green black streak) |
|
|
Term
|
Definition
Muscovite mica
(2 hardness, platy, yellow streak) |
|
|
Term
|
Definition
Olivene
(6.5 hardness, conchoidal, colorless streak) |
|
|
Term
|
Definition
Clay
(2 hardness, conchoidal, white streak) |
|
|
Term
|
Definition
Calcite
(2.5 hardness, 3 cleavages rhombohedral, white streak) |
|
|
Term
|
Definition
Gypsum
(2 hardness, 1 good cleavage 2 fair 60 degrees, white streak) |
|
|
Term
|
Definition
Magnetite
(5 hardness, conchoidal, black streak) |
|
|
Term
|
Definition
Hematite
(5 hardness, conchoidal, red streak) |
|
|
Term
|
Definition
Pyrite
(6 hardness, conchoidal, gray or greenblack streak) |
|
|
Term
|
Definition
Galena
(2 hardness, conchoidal, dark gray streak) |
|
|
Term
|
Definition
Halite
(3 hardness, 3 cleavages 90 degrees, clear streak) |
|
|
Term
|
Definition
|
|