Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
Category
Browse man made glass specimens identified by the Rock Identifier community.
Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartzite Pebble
Quartzite (Silicon Dioxide, SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (chiefly SiO2)
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite with inclusions
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Amethyst Agate (Polished Point)
Silicon Dioxide (SiO2) with iron impurities
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate, (Mg,Fe)2SiO4
Rose Quartz
SiO2 (Silicon Dioxide)
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Green Fluorite (Beaded)
Fluorite (Calcium Fluoride, CaF2)
Emerald (Rough)
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Green Fluorite on Host Rock)
Fluorite (Calcium Fluoride, CaF2)
Milky Quartz / Rose Quartz fragment
Silicon Dioxide (SiO2)
Pink Amethyst Geode
Silicon Dioxide (SiO2) with Hematite/Iron impurities
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (Jasper) Pebble
Microcrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz in Matrix (possibly with Biotite or Hornblende)
Quartz (Silicon Dioxide, SiO2) in Granitic Matrix
Quartz Pebble (Iron-Stained)
Quartz (Silicon Dioxide - SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Massive Milky Quartz (with Iron Inclusions)
Quartz (Silicon Dioxide, SiO2)
Quartz with Chalcedony
Silicon dioxide (SiO2)
Obsidian Fetish Carving with Turquoise Inlay
Volcanic Glass with Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Emerald and Diamond (Jewelry Setting)
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities) and Carbon (C)
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)