There are three minerals that have 0 cleavage
in this group. These samples can be difficult to distinguish from one
another. Look for the following.
Usually
white or colorless although rarely it can be light pink, purple, black
or yellow.
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Often dark red, but can be green or brown. It may occur as 12-sided
(dodecahedral) crystals.
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Pale green, sometimes has a sugary texture
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| BACK TO STEP 4|
| COLOR | STREAK | LUSTER | CLEAVAGE | HARDNESS | CRYSTAL SHAPE | SPECIFIC GRAVITY | OTHER PROPERTIES |