Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of hornblende, chlorite, or manganese/iron oxides
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Nodule)
Chert (primarily Microcrystalline Quartz - SiO2)
Chert (Chalcedony/Agate variety)
Microcrystalline Quartz (SiO2)
Agate
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Polished chert or jasper cobble
Microcrystalline quartz (SiO₂), commonly called chert; iron-oxide-bearing varieties are jasper
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Chert (Jasper)
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Zebra Jasper
Tainted Silicate (mainly Quartz/Chalcedony/Calcite)
Agate
SiO2
Agate
Agate (Cryptocrystalline Quartz)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst-bearing quartz (rough/tumbled fragment)
Quartz, SiO₂; purple coloration from irradiation and trace iron
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)