Smoky Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
mineral
Category
Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite)
Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite) in the encyclopedia
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Diorite
Intermediate plutonic igneous rock
Igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Sapphire (Raw)
Corundum (Al2O3)
mineral
Granite
Granite
Igneous
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Granite
Granite (phaneritic intrusive igneous rock consisting of quartz, feldspar, and mica)
igneous
Blue Sapphire
Corundum (Al2O3 - Aluminum Oxide with Iron and Titanium impurities)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Iron-stained Quartz
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
mineral
Basalt
Basalt
Igneous
Quartz (specifically Milky/Gray Quartz)
Silicon Dioxide (SiO2)
mineral
White Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Quartz Pebble (with probable inclusions or staining)
Quartz (Silicon Dioxide - SiO2)
mineral
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz in Epidote Host Rock
Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Banded Rhyolite (Wonderstone)
Rhyolite (High-silica volcanic rock)
igneous
Greenstone
Greenschist (metamorphosed mafic igneous rock)
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Green Aventurine (Green Quartz)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Mineral/Metamorphic rock
Greenstone with Quartz Veining
Metamorphosed Mafic Igneous Rock
metamorphic
Blue Sapphire
Corundum (Al2O3)
mineral
Gneiss
Gneiss
metamorphic
Garnet
Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)
Mineral
Basalt with Red Inclusions
Aphanitic Mafic Igneous Rock (likely Basalt)
igneous
Gneiss
Gneiss
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss
metamorphic
Likely polished basalt with pale mineral inclusions
Basalt; inclusions possibly calcite, quartz, or weathered feldspar
igneous
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
mineral
Granite (Pink/Potassium Feldspar rich)
Granite (K-feldspar rich intrusive igneous rock)
igneous
Migmatite
Migmatite (Mixed metamorphic-igneous rock)
metamorphic
Red Granite
Phaneritic Felsic Igneous Rock
igneous
Banded Agate (Onyx type)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Diorite
Phaneritic Intermediate Igneous Rock
igneous
Quartz Druze on Matrix (Geode Fragment)
Quartz (Silicon Dioxide, SiO2)
mineral