Larimar
Pectolite (a blue variety of Pectolite)
Mineral
Category
Mineralized Fossil
Browse mineralized fossil specimens identified by the Rock Identifier community.
Learn about Mineralized Fossil in the encyclopedia
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Turquoise
Turquoise (Hydrated copper aluminum phosphate, CuAl6(PO4)4(OH)8·4H2O)
Mineral
Iron (Hematite variety)
Iron (Fe) / Hematite (Fe2O3)
mineral
Granite
Granite
Igneous
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Pegmatitic Granite
Granite with Orthoclase Feldspar and Quartz (SiO2, KAlSi3O8)
igneous
Included Quartz (Garden Quartz / Lodolite)
Quartz (SiO2) with various mineral inclusions
Mineral
K2 Azurite Granite / K2 Stone
Granite (igneous rock) with Azurite inclusions (mineral)
igneous
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Marble
Metamorphic rock composed of Recrystallized Carbonate Minerals (chiefly CaCO3)
metamorphic
Granite or Granodiorite (weathered fieldstone)
Granitoid
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Azurite
Azurite (Cu3(CO3)2(OH)2)
mineral
Schist
Mica Schist
metamorphic
Red Sandstone
Ferruginous Sandstone
sedimentary
Jasper (Multi-color Chert)
Silicon dioxide (SiO2)
sedimentary
Quartz (specifically Milky or Clear Quartz fragment)
Silicon Dioxide (SiO2)
mineral
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
sedimentary or igneous
Copper Ore (likely Malachite or Chrysocolla staining)
Copper Secondary Mineral (e.g., Cu2CO3(OH)2)
mineral
Wallboard/Drywall (Gypsum-based)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
sedimentary
Granite
Granite (a felsic intrusive igneous rock composed primarily of quartz, feldspar, and mica)
igneous
Quartz (Milky/Crystalline fragment)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt (Scoria)
Basalt (Extrusive Igneous Rock)
igneous
Schist
Chlorite/Mica Schist
metamorphic
Epidote
Epidote Group (e.g., Clinozoisite, Epidote, Piemontite), Epidote formula: Ca2(Al,Fe)3(SiO4)3(OH)
Mineral
Banded Rhyolite (likely Green Jasper/Agate variety)
Silicon Dioxide (SiO2) with mineral inclusions
igneous
Schist
Mica Schist
metamorphic
Pegmatite (Granitic)
Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)
igneous
Basalt with Quartz Vein
Mafic volcanic rock with hydrothermal SiO2 filling
igneous
Gabbro (likely with Pyrite/Sulfide mineralization)
Mafic Intrusive Igneous Rock
igneous
Green Chalcedony
Silicon Dioxide (SiO2) with trace minerals
mineral
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Mineral
Bicolor Quartz Pebble
Silicon Dioxide (SiO2) with mineral inclusions
mineral
Schist
Mica Schist
metamorphic
Amazonite
Amazonite (KAlSi3O8 – a variety of Microcline, a Potassium Feldspar)
mineral
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
igneous
Sapphire (Raw/Rough)
Corundum (Al2O3)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Pinkish-Orange Variety)
Crystalline Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral