Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral; variety of quartz specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chalcedony (likely common gray chalcedony)
Microcrystalline quartz, SiO₂
Honey-colored chalcedony (rough agate/chert)
Microcrystalline quartz, SiO₂; likely chalcedony with iron-oxide staining
Rose Quartz
Silicon dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz
Silicon Dioxide (SiO2)
Tumbled smoky quartz
Quartz (SiO₂), likely smoky variety
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Polished agate slice
Agate, a banded variety of chalcedony (microcrystalline SiO₂)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Orangey-Yellow variety)
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Citrine Quartz carving
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Diamond
Carbon (C) with trace Boron
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine
Quartz (SiO2) - variety Citrine
Quartz
Silicon Dioxide (SiO2)