Amazonite
Triklinic Potassium Feldspar (KAlSi3O8)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Amazonite
Triklinic Potassium Feldspar (KAlSi3O8)
Red Jasper
Quartz (Silicon Dioxide) with Hematite inclusions, SiO2
Blue Chalcedony (Agate)
Silicon Dioxide (SiO2)
Milky Quartz (river pebble)
Quartz (Silicon Dioxide, SiO2)
Chert (with Iron Staining)
Microcrystalline Quartz (SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Yellow Jasper
SiO2 (Silicon Dioxide)
Rose Quartz
SiO2 (Silicon Dioxide)
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
SiO2 (Quartz with inclusion of iron oxides)
Chalcedony (Quartz variety)
Silicon Dioxide (SiO2)
Amethyst (variety of Quartz)
SiO2 (Silicon Dioxide) with trace iron impurities
Amethyst (Quartz variety)
Amethyst [Silicon Dioxide (SiO2)]
Amethyst (Variety of Quartz)
Silicon Dioxide (SiO2) with iron impurities
Amethyst (Quartz variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Rose variety)
Silicon Dioxide (SiO2)
Quartz (Yellow/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Yellow Sapphire
Corundum (Al2O3)
Dyed Agate Geode (Pink/Magenta)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
Ocean Jasper
Spherulitic Chalcedony (SiO2 with impurities)
Quartz (Smoky/Milky variety with inclusion)
Silicon Dioxide (SiO2)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Quartz (likely) or a Quartzite Pebble
Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.
Orange Calcite Sphere
Calcium Carbonate (CaCO3)
Green Adventurine
Quartz (SiO2) with Fuchsite inclusions
Jasper
Silicon Dioxide (SiO2)
Red Jasper
Jasper (a cryptocrystalline variety of Quartz, SiO₂)
Dalmatian Jasper
Dalmatian Stone (Arfvedsonite/Albite Microquartz)
Beaded Jewelry (Assorted Gemstones)
Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Gneiss (specifically a Granitic Gneiss)
Gneiss (Composition: Quartz, Feldspar, Mica)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide - SiO2)
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
Banded Chert
Chert (a microcrystalline variety of quartz, SiO2 with minor impurities)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Jasper (Green)
Silicon Dioxide (SiO2) with impurities
Jasper (Zebra Jasper)
Silicon Dioxide (SiO2) with impurities