Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
Amber
Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Sand Grain
Silicon Dioxide (SiO2)
Rose Quartz Beads
SiO2 (Silicon Dioxide with trace inclusions of Ti, Fe, or Mn)
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (White or Milky Quartz Pebble)
Quartz (Silicon Dioxide, SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Quartzite River Pebble
Quartzite (SiO2 with iron oxide inclusions)
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
Brown Jasper
Silicon Dioxide (SiO2)
Jasper
Chert (Silica: SiO2)
Quartzite
Quartzite (SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Green Fluorite (Fluorite Sphere)
Calcium Fluoride (CaF2)
Blue Chalcedony Geode (with Quartz Druzy)
Silicon Dioxide (SiO2) - Microcrystalline variety of Quartz
Blue Lace Agate (Heat-treated/Crackle Quartz variety)
Silicon Dioxide (SiO2)
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Rose Quartz
Silicon Dioxide (SiO2)
Dendritic Agate or Manganese Nodule in Chert/Limestone
Silicon Dioxide (SiO2) with Manganese Oxide (MnO2) inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz Mushroom)
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Rose Quartz variant)
Silicon Dioxide (SiO2)
Quartzite (River Cobble)
Quartzite (SiO2)
Fluorite (often called Rainbow Fluorite or Purple-Green Fluorite)
Calcium Fluoride (CaF2)
Quartz Pebble (with Manganese dendrites/staining)
Silicon Dioxide (SiO2) with Manganese Oxide impurities
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Common Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Pink Fluorite
Fluorite (Calcium Fluoride) - CaF2
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz / Silicon Dioxide (SiO2)