Igneous Rock Collection (Discontinued)
ITEM #261a
The Igneous Rock Collection includes the following 12 specimens:
- Granite
- Basalt
- Rhyolite
- Pearlite
- Scoria
- Pegmatite
- Diorite
- Obsidian
- Pumice
- Porphyry
- Tuff
- Ropy Lava
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Item #261
$6.60
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