Red Garnet
Pyrope or Almandine (Silicate group, X3Y2(SiO4)3)
Mineral
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Kimberlite
Kimberlite
igneous
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
metamorphic
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Amber
Amber (Amorphous Organic Hydrocarbon)
mineral
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
igneous
Silicon
Silicon (Si)
mineral
Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8)
mineral
Yellow Quartz (Citrine/Lemon Quartz)
Silicon Dioxide (SiO2)
mineral
Gold
Native Gold (Au)
mineral
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Synthetic material (Not a rock or mineral)
Citrine
Citrine (Silicon Dioxide, SiO2)
mineral
Botryoidal Goethite
Goethite (α-Fe3+O(OH))
mineral
Gold Nugget
Native Gold (Au)
mineral
Specular Hematite
Specularite (Iron Oxide, Fe2O3)
mineral
Pearl
Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Amygdaloidal Basalt with Quartz/Calcite Inclusions
Amygdaloidal Basalt (SiO2 / CaCO3 inclusions)
igneous
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) within a resin matrix
igneous
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)
Mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Slate
Slate (foliated metamorphic rock, primarily composed of quartz, illite, chlorite, and micas)
metamorphic
Basalt
Afanitic Mafic Basalt
igneous
Basaltic Tuff / Volcanic Breccia
Pyroclastic Breccia / Lithic Tuff
igneous
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Boxwork Quartz / Septarian Jasper
Boxwork (SiO2 with iron oxide inclusions)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
Igneous
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Scoria (Lava Rock)
Vesicular Basalt / Scoria
igneous
Moss Agate and Hematite
Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
mineral
Gold Nugget
Native Gold (Au)
mineral
Milky Quartz Cobble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chrysocolla
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·n(H2O)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Milky and Ferruginous Quartz
Silicon Dioxide (SiO2)
mineral