Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
Citrine
Silicon Dioxide (SiO2) - Yellow Quartz variety
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
Ferruginous Quartz
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3/FeO(OH))
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Chevron Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
White Quartz Pebbles
Quartz (Silicon Dioxide, SiO2)
Bi-Color Tourmaline (or Watermelon Tourmaline)
Tourmaline (complex borosilicate mineral group with general formula AD3G6(BO3)3T6O18(OH,O)4)
Gneiss
Gneiss
Snowflake Obsidian
Spherulitic Obsidian (SiO2 + impurities)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz Pebble (Chalcedony/Agate)
Silicon Dioxide (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (likely river-worn)
Silicon Dioxide (SiO2)
Agate (Moss or Banded Agate variety)
Agate (Silicon Dioxide - SiO2)
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
Amethyst (Pale/Light Variety)
Quartz (Silicon Dioxide) with Iron impurities - SiO2
Banded Agate
Silicon Dioxide (SiO2)
Chert Nodule (Flint)
Chert (Cryptocrystalline Silica - SiO2)
Rock Crystal Quartz
Quartz (SiO₂)
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Quartz (Smoky/Milky Variety)
Silicon Dioxide (SiO2)
Garnet Beads
Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)
Banded Agate (Carnelian variety)
Cryptocrystalline Quartz (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Cloudy Variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Amethyst
SiO2 (Silicon Dioxide)
White Agate (Chalcedony)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Sandstone (with Lichen)
Arenite (primarily SiO2)
Red Jasper
Jasper (Silicon Dioxide with iron oxide inclusions), SiO2
Blue Chalcedony (likely dyed)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)