| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Minnesota > Quartz with Hematite inclusions (fossilized stromatolites) |
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| DESCRIPTION: | No. 60548 |
| Mineral: | Quartz with Hematite inclusions (fossilized stromatolites) |
| Locality: | Shakopee Formation, Minnesota |
| Description: | Lustrous brown quartz crystals completely covering one face of fossilized stromatolite. The brown color of the quartz crystals is caused by microscopic red hematite inclusions that form phantom-growth zones in the quartz crystals. Ex. Potomac Museum Group (Golden Valley, MN) |
| Overall Size: | 14x14x6 cm |
| Crystals: | 1-3 mm |
| Archived: | For reference only |
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