Quartz
Silicon Dioxide (SiO2)
Category
Browse gemstone specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz Geode
Quartz (Silicon Dioxide, SiO2)
Orange Quartz
Silicon Dioxide (SiO2)
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Red Quartz
Silicon Dioxide (SiO2) with hematite inclusions
Carnelian / Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Green Jasper / Bloodstone
SiO2 (Microcrystalline Quartz)
Quartz
Silicon dioxide (SiO2)
Quartz (Rose Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Crystal Rock
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon dioxide (SiO2)
Purple Chalcedony
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Peach Quartz
Silicon Dioxide (SiO2)
Jasper Pebble
Microcrystalline Quartz (SiO2)
Red Jasper with Quartz Veining
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Red Breccia Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline feldspar (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
White Quartz
Quartz (Silicon Dioxide, SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Amazonite
Microcline Feldspar (KAlSi3O8)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Obsidian and Phantom Quartz
Volcanic Glass (SiO2 + MgO + Fe3O4) and Crystalline Quartz (SiO2)