Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with impurities of iron)
Rose Quartz
Silicon dioxide (SiO2)
Herkimer Diamond
Quartz (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
Labradorite
Labradorite (Plagioclase Feldspar Series: (Ca,Na)(Al,Si)4O8)
Dendritic Jasper
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Quartz Druzy Geode Fragment
Silicon Dioxide (SiO2)
Septarian Nodule (Dragon Stone)
Septarian concretion (composition: CaCO3 - Calcite, Aragonite, and Siderite/Limestone)
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
Gold Nugget
Native Gold (Au)
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
Bumblebee Jasper
Fossiliferous Volcanic Rock (composed of Calcium Carbonate, Manganese Oxides, and Arsenic Sulfides)
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Amethyst (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
Amazonite
Tectosilicate (variety of Microcline), K(AlSi3O8)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Ruby in Kyanite
Corundum (Al2O3) in Kyanite (Al2SiO5)
Carnelian
Carnelian (SiO2)
Amethyst (Tumbled Quarz)
Silicon Dioxide (SiO2) with iron impurities
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities like Hematite and Chlorite, SiO2)
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with trace Iron (Fe)
Smoky Quartz
Silicon Dioxide (SiO2)
Nuummite
Antophyllite-Gedrite (Orthorhombic amphiboles)
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
Chrysocolla in Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
Amethyst
Silicon Dioxide (SiO2)
Sunkissed Quartz or Hematoid Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Amethyst (Rough Quartz)
Silicon Dioxide (SiO2 with Iron impurities)
Chrysocolla on Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O