Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Technogenic) in the encyclopedia
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Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
igneous
Granite
Intrusive Igneous Rock
igneous
Milky Quartz Pebble with Inclusions
Quartz (SiO2) with chlorite or mica inclusions
mineral
Corundum (Sapphire variant)
Aluminum Oxide (Al2O3)
mineral
Flower Agate
Chalcedony (SiO2) with Opaque Spherulitic Inclusions
mineral
Greenschist
Chlorite schist (Metamorphic rock dominated by chlorite, epidote, and actinolite)
metamorphic
Dendritic Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Greenstone
Greenschist / Meta-basalt
metamorphic
Druzy Quartz on Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Arenite (SiO2 principal)
sedimentary
Granite
Granite (Felsic intrusive igneous rock)
igneous
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Greenstone
Protolith of basalt/gabbro (chlorite-epidote metamorphic facies)
metamorphic
Amygdaloidal Basalt
Basalt with Secondary Mineral Infillings
igneous
Fossilized Shark Tooth (likely Sand Tiger Shark)
Carcharias taurus (fossilized hydroxyapatite/calcium phosphate)
fossil
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Quartz Geode Fragment
Silicon dioxide (SiO2) within a nodule
sedimentary
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Fossil Shark Tooth
Chondrichthyes (class)
fossil
Fossil Coral
Scleractinia or Anthozoa (Fossilized)
fossil
Gold Nugget
Native Gold (Au)
mineral
Greenschist
Chlorite schist
metamorphic
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Biotite Mica in Host Rock
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Greenstone (Amygdaloidal Basalt)
Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)
igneous
Basalt Pebble
Extrusive Igneous Rock (Mafic)
igneous
Dinosaur Bone
Agatized Dinosaur Bone
sedimentary/fossil
Greenschist
Chlorite Schist
metamorphic
Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Gneiss
High-grade regional metamorphic rock (Foliated)
metamorphic
Potassium Feldspar
K-Feldspar (KAlSi3O8)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral