Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Brown Agate
Silicon Dioxide (SiO2)
Gray Agate with Druzy Quartz Geode
Cryptocrystalline Quartz (SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Satin Spar Selenite (Peach Calcite/Peach Gypsum)
Hydrated Calcium Sulfate (CaSO4·2H2O)
Smoky Quartz
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chalcedony (Common Opal variant or Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Specular Hematite (on Schist/Matrix)
Hematite (Alpha-Fe2O3)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chrysoprase
Silicon dioxide with nickel impurities (SiO2 + Ni)
Red Jasper
Silicon dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (specifically Milky/Gray Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Pink Opal
Hydrated Silica (SiO2·nH2O)
Pyrite
Iron Sulfide (FeS2)
Carnelian
Carnelian (Silicon Dioxide: SiO2 with Iron Oxide impurities)
Quartz
Silicon dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Blue Chalcedony
Silicon Dioxide (SiO2)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
Coral (Precious Coral)
Corallium rubrum (Red Coral), Paracorallium japonicum (Momo Coral), Pleurocorallium elatius (Sardinian Coral), various other species within the Corallidae family. Chemically, it's primarily Calcium Carbonate (CaCO 3 ).
Banded Calcite (often sold as Caribbean Calcite or Mexican Onyx)
Calcium Carbonate (CaCO3)
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)