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Sioux Quartzite
Quartzite · United States
United States
South Dakota · Sioux Falls / Milbank
44.02°, -96.78° · View on globe ↗What makes it distinct
A city-building American quartzite whose hematite color survived 1.6 billion years.
Selection & use
Require petrography, inspect the complete slab sequence and map natural fissures.
Kitchen islands, counters, walls and high-impact residential features
A trade name or a glass scratch at one point is not proof of true quartzite.
Geology & trade names
Very pure Proterozoic orthoquartzite
Sioux Quartzite