Term
|
Definition
Non-Metallic Dark Colored
Hard
Shows Cleavage
Black or Dark green, 2 cleavage planes angles 60 and 120 |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
Shows Cleavage
2 cleavage planes at 90 degrees |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
Shows Cleavage
Black or Dark green, 2 90 degree cleavage planes , forms stubby crystals |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
White or Clear, commonly forms crystals |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
Olive green or yellow, found as granular mass |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
Color is often dark red to brown, forms crystals with twins forming a distinctive cross |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
often red, often forms 12 sided crystals |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
Red brown with a Red brown streak, may be massive or earthy |
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Term
|
Definition
Non-Metallic Dark Colored
Soft
Shows Cleavage
Black or dark gray, 1 cleavage direction, forms thin flexible sheets |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
Yellowish to Reddish to dark brown, cleavage commonly difficult to see, dull surface |
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Term
|
Definition
Non-Metallic Dark Colored
Hard
No Cleavage
yellow brown, with yellow brown streak |
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Term
|
Definition
Metallic
Fool's Gold, greenish black streak, no cleavage, has cubic crystals |
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Term
|
Definition
Metallic
Black
Steak is black
highly magnetic |
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Term
|
Definition
Metallic
Silver, with red brown streak, weakly magnetic if impure |
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Term
|
Definition
Metallic
Steel gray, lead gray streak, cubic cleavage |
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Term
|
Definition
Metallic
Dark Gray, greasy feel and writes on paper, 1 cleavage direction |
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Term
|
Definition
Non metallic
Hard
Shows Cleavage
pink, white, cream, 2 roughly 90 degree plains |
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Term
|
Definition
Non metallic
Hard
Shows Cleavage
white, two nearly 90 degree plains |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
White or Clear, 3 non 90 degree plains |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
white or clear , 3 non 90 egree plains
rarely forms crystals |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
3 90degree plains
Salty taste |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
Cloudy gray, 1 cleavage direction, forms thin flexible sheets |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
1 obvious, 2 nonobious plains, thin sheets that can be scratched with fingernail |
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Term
|
Definition
Non Metallic
Soft
Shows Cleavage
pale green, white, or gray, 1 cleavage plain, soapy feel |
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