Other
Explore our comprehensive collection of other. Each specimen includes detailed physical properties, chemical composition, identification tips, and high-quality images.
11 specimens starting with "O" (of 498 total)
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Obsidian
Hardness: 5 - 5.5
No image
Olivenite Group
No image
Olivine Group
No image
Oolitic Limestone
Hardness: 3-4
No image
GemOpalized Ammonite
Hardness: 5.5 - 6.5
Orbicular Granite
Hardness: 6-7
No image
Orgone Stone
No image
Orthopinakiolite Group
No image
Osbornite Group
No image
Osumilite Group
No image
Oxyspinel Group
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