AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Quartz var. Lake Superior Agate |
DESCRIPTION: | No. 19479 |
Mineral: | Quartz var. Lake Superior Agate |
Locality: | Michigan |
Description: | Polished slab of Lake Superior agate with beautiful fortification (concentric) growth patterns. From old collection ca. 1890 |
Overall Size: | 7x5x.5 cm |
Crystals: | |
Archived: | For reference only |
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