Quartzite
Quartzite (primarily SiO2)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Fluorite
Calcium Fluoride (CaF2)
Fluorite on Matrix
Calcium Fluoride (CaF2)
Scoria (Red Lava Rock)
Scoria
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Halite (Rock Salt)
Halite (NaCl)
Quartz Druzy on Matrix (with Copper Mineralization)
Silicon Dioxide (SiO2) with Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O)
Quartzite
Quartzite (chiefly SiO2)
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Cobalt Blue Sea Glass
Amorphous Silica Glass (SiO2 + CoO)
Obsidian Arrowhead
Obsidian (Volcanic Glass)
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Obsidian
Volcanic Glass (SiO2 + impurities)
Purple Fluorite Octahedron
Fluorite (Calcium Fluoride, CaF2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
Jasper
Silicon dioxide (SiO2)
Jasper (specifically Yellow/Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Olivine (Peridot)
Olivine Group (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Rose Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite
Metamorphic Quartzite
Quartzite
Metamorphic Quartzite
White Quartz
Silicon Dioxide (SiO2)
Quartz (Milky / Clear Quartz Fragment)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (principally SiO2)
Quartzite
Quartzite (composed primarily of SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)