Diamond in Kimberlite
Kimberlite host rock with C (Carbon) inclusion
igneous
Category
Crystal
Browse crystal specimens identified by the Rock Identifier community.
Porphyritic Basalt (Leopard Rock)
Porphyritic Mafic Volcanic Rock
igneous
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amber
Succinite (fossilized resin); C10H16O
mineraloid
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Porphyritic Basalt (Peanut Obsidian/Star Galaxy-style)
Porphyritic Basalt (Silica-rich Volcanic Rock)
igneous
Rough Green Tourmaline (Verdelite)
Elbaite (Complex Silicate) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Kunzite (Spodumene)
Spodumene (LiAlSi2O6)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sapphire
Corundum (Al2O3)
Mineral
Yellow Quartz (Citrine Quartz or Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Aventurine (Green)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
mineral
Druzy Quartz on Chalcedony Matrix
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
sedimentary
Quartzite Cobble
Quartzite (SiO2)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica/Amphibole)
igneous
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral