Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT NEWARRIVAL Realgar is a variety of
Description
Realgar is a variety of arsenic sulfide that forms dark red to orange crystals
Pieces measure approximately 4
These growths will also contain inclusions of hematite and goethite
Listing is for (1 kilogram
Weight: 11 g
Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT NEWARRIVAL Realgar is a variety ofQuantity: 1 pound Average size range: 20 to 35 millimeters Stromatolites are layered sedimentary stones formed by photosynthetic bacteria. These bacteria form mineral layers by cementing local stone, sand, and gravel together over long periods of time. These structures can reach over 3 feet tall, and fossilized stromatolites are useful records of Precambrian life in paleontology.
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