Diamond
|
Mineral List
|
Rock List
|
Guidelines for Rock Collections
|
Mineral class:
Native Element, gemstone
Composition:
Carbon, C
Hardness:
10
Luster:
Adamantine
Color:
Colorless or with pale tints
Streak:
None
Crystal form:
Octahedral
Environment:
Peridotite, kimberlite; sedimentary placer deposits
Comments: