Green Fluorite
Calcium Fluoride (CaF2)
Category
Browse man made glass specimens identified by the Rock Identifier community.
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite in Host Rock
Fluorite (Calcium Fluoride, CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Apache Tear
Obsidian (Hydrated Silica / Amorphous Volcanic Glass)
Rose Quartz
Silicon dioxide (SiO2)
Clear Quartz Geode
Crystalline Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (or Chalcedony) Specimen
Silicon Dioxide (SiO2)
Olivine-bearing Basalt / Scoria
Mafic Igneous Rock (primarily (Mg, Fe)2SiO4)
Fluorite with Quartz on Matrix
Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
Quartz Geode
Macrocrystalline Quartz (SiO2) within a geode structure
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartzite
Quartzite (chiefly SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartzite (with Iron Staining)
Metamorphosed Quartz Sandstone (SiO2)
Quartz (Crystal Fragment)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (specifically White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Oxides
Silicon Dioxide (SiO2) with Fe2O3 inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Obsidian
Obsidian (Volcanic Glass, SiO2 + impurity)
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartzite (River Stone)
Quartzite (SiO2)
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
Pink Quartz / Rose Quartz
Silicon Dioxide (SiO2)