|
|
|
|
|
|
|
Item Number:
(470014-632) |
|
REVIEWS (1)
|
| Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470015-804) |
|
REVIEWS (0)
|
| Classroom Mineral Collection |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-744) |
|
REVIEWS (1)
|
| Pyroxene group; gray-green, coarse crystalline. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470015-442) |
|
REVIEWS (0)
|
| Deep purple crystal clusters. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470015-448) |
|
REVIEWS (0)
|
| Deep blue, massive, with nepheline; key feldspathoid. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-718) |
|
REVIEWS (0)
|
| Nearly pure, green crystalline forsterite. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-576) |
|
REVIEWS (0)
|
| Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-608) |
|
REVIEWS (0)
|
| White, fibrous, silky luster. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-772) |
|
REVIEWS (0)
|
| White, massive, coarse crystalline vein, Mohs’ hardness of 7. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470014-630) |
|
REVIEWS (0)
|
| Small 1–1.5 mm crystal, octahedrans or cubes, Mohs” hardness of 10. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-756) |
|
REVIEWS (0)
|
| Light gray, compact, opaque, microcrystalline. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-616) |
|
REVIEWS (0)
|
| Clear, pure cleavages, Mohs’ hardness of 2. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-830) |
|
REVIEWS (1)
|
| Cleaned, pure, bright, metallic native copper. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-604) |
|
REVIEWS (0)
|
| White, fine, massive, opaque to slightly translucent. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-560) |
|
REVIEWS (1)
|
| White to gray, medium to coarse-grained, crystalline. |
|
|
|
|
|
|
|
|
|
|
|
|
Item Number:
(470025-748) |
|
REVIEWS (0)
|
| Good grade, bronze-colored ore, massive. |
|
|
|
|
|
Print…
List View
Easy View (new)
Facebook
Twitter
YouTube
Pinterest
Instagram