Hardness orders minerals by how well they resist scratching. Wikipedia notes that "quartz is the mineral defining the value of 7 on the Mohs scale of hardness," the reference scale geologists use to compare one mineral against another. Browsing by hardness groups minerals that scratch, or resist scratching, in the same way.
Facts
Comparison
Formation OriginContain the carbonate ion, CO3(2-). 1 3.75
Filter Results2 entries
Connections
Classifies
Entity-backed identity for the material classification this material already carries as an enum fact, pointing at the class subcategory of the same name. The enum fact itself stays on the entity unchanged.
Entity-backed identity for the material classification this material already carries as an enum fact, pointing at the class subcategory of the same name. The enum fact itself stays on the entity unchanged.
Entity-backed identity for the material classification this material already carries as an enum fact, pointing at the class subcategory of the same name. The enum fact itself stays on the entity unchanged.
Sources
1. Wikipedia: Carbonate minerals
WikipediaCarbonate minerals, lead sectionQuote, Carbonate minerals, lead section
Carbonate minerals are those minerals containing the carbonate ion, CO2-3.
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