Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral (variety of chalcedony) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Ruby and Diamond in Gold Setting
Corundum (Al2O3) and Diamond (C)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Quartz (SiO2)
Sapphire in a ring
Corundum (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rough Emerald
Emerald (Beryl), Be3Al2(SiO3)6
Dyed Blue Agate Geode Slice
Chalcedony (Silicon Dioxide, SiO2)
Yellow Chalcedony
SiO2 (Silicon Dioxide)
Chalcedony (Agate / Quartz Nodule)
Silicon Dioxide (SiO2)
Polished brown mineral fragment, likely quartz-rich iron-stained material
Possibly quartz (SiO₂) with iron-oxide inclusions; exact identification is uncertain from the image
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
Chalcedony (Agate/Blue Quartzite)
Silicon Dioxide (SiO2)
Tree Agate
Silicon Dioxide (SiO2) with dendritic inclusions
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Amethyst
Quartz (SiO2) variety
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8)
Agate
Silicon dioxide (Chalcedony), SiO2
Agate
Silicon Dioxide (Chalcedony), SiO2
Grape Agate
Botryoidal Amethystine Chalcedony (SiO2)