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Page from Treatise on mineralogy by Friedrich Mohs (1825)
Page from Treatise on mineralogy by Friedrich Mohs (1825)
The Moon Mineralogy Mapper, a spectrometer that mapped the lunar surface
The Moon Mineralogy Mapper, a spectrometer that mapped the lunar surface
Calcite is a carbonate mineral (CaCO3) with a rhombohedral crystal structure.
Calcite is a carbonate mineral (CaCO3) with a rhombohedral crystal structure.
Aragonite is an orthorhombic polymorph of calcite.
Aragonite is an orthorhombic polymorph of calcite.
Quartz is one of the several crystalline forms of silica, SiO2. The most important forms of silica include: α-quartz, β-quartz, tridymite, cristobalit
Quartz is one of the several crystalline forms of silica, SiO2. The most important forms of silica include: α-quartz, β-quartz, tridymite, cristobalite, coesite, and stishovite.