Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
Category
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
Blue Dyed Agate
Silicon Dioxide (SiO2)
Jasper with Chalcedony
Silicon Dioxide (SiO2)
Quartz (Double-Terminated)
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2) - Chalcedony variant
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Impurities
Agate (specifically Carnelian or Honey Agate)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Blue Sapphire
Corundum (Al2O3)
Milky Quartz (Beach Pebble)
Quartz (Silicon Dioxide, SiO2)
Orange Satin Spar (Satin Spar Selenite)
Satin Spar - Hydrous Calcium Sulfate (CaSO4·2H2O)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Shale (possibly Carbonaceous or Oil Shale)
Argillaceous Sedimentary Rock
Green Fluorite
Calcium fluoride (CaF2)
Titanium Quartz (Rough)
Titanium-included Silicon Dioxide (SiO2 + Ti)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Dyed Agate Slice
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amethyst (Chevron Amethyst/Dream Amethyst)
Silicon Dioxide (SiO2) with trace Iron impurities
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Rose Quartz
SiO2 (Silicon Dioxide) with traces of titanium, manganese, or iron
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Banded Jasper (Chert)
Silicon Dioxide (SiO2) - variety of Chalcedony
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
Chert
Chert (microcrystalline quartz)