Use groups earth materials by what people actually do with them. Wikipedia notes that "since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings," a use that has nothing to do with the mineral's scientific classification. This dimension connects a material to its place in human hands rather than only in the ground.
Facts
Comparison
Formation OriginSulfide (S2-) or disulfide (S2-2) as the major anion. 1 Industrial and Abrasive
Filter Results1 entry
Connections
Sources
1. Wikipedia: Sulfide minerals
WikipediaSulfide minerals, lead sectionQuote, Sulfide minerals, lead section
The sulfide minerals are a class of minerals containing sulfide (S2-) or disulfide (S2-2) as the major anion.
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