Basalt with Quartz Infill
Basalt (Mafic Extrusive Volcanic Rock)
Category
Browse this appears to be a man made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen. specimens identified by the Rock Identifier community.
Basalt with Quartz Infill
Basalt (Mafic Extrusive Volcanic Rock)
Basalt with inclusion
Basalt (Aphanitic-Porphyritic texture)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Gold and Diamond
Native Gold (Au) and Diamond (C)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Amazonite
Amazonite (KAlSi3O8)
Chalk
Micrite (primarily Calcium Carbonate, CaCO3)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO₂)
Optical Calcite (Iceland Spar)
Calcium Carbonate (CaCO3)
Quartzite with Iron Inclusions
Metamorphosed Quartz (SiO2)
Moonstone (in a halo ring setting)
Orthoclase Feldspar (containing alternating layers of Albite), (KAlSi3O8)
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
Chalcedony (Agate/Blue Quartzite)
Silicon Dioxide (SiO2)
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2)
Quartz Grain
Silicon Dioxide (SiO2)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Pink Tumbled Agate (Dyed)
Silicon Dioxide (SiO2) with artificial dyes
Sandstone
Arenite (SiO2 primarily)
Fluorite (tumbled pebble)
Calcium Fluoride (CaF2)
Basalt
Basalt (Mafic volcanic rock)
Chert (within Limestone)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Granite Pebble
Granite (Phaneritic intrusive igneous rock comprising Quartz, Feldspar, and Mica)
Chert (Field Stone/Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Rhodonite
Manganese Silicate (Mn, Fe, Mg, Ca)SiO3
Build-A-Bear Plush (Non-Geological)
Polyester fibers (C10H8O4)n and Synthetic Polymers
Common Opal in Host Rock
Hydrated Silica (SiO2·nH2O)
Moonstone (Tumbled)
Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite
Smoky Quartz
Crystalline Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Quartz pebble
Silicon Dioxide (SiO2)
Granite (Dioritic variant)
Granite (Phaneritic Igneous Rock)
Quartz / Quartzite Fragment
Silicon Dioxide (SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)