Rock Identifier

Category

Mineral Based Human Made Alloy

Browse mineral based human made alloy specimens identified by the Rock Identifier community.

Learn about Mineral Based Human Made Alloy in the encyclopedia

Carbonatite

Claystone

Marl

Dalmatian Jasper

Dalmatian Jasper

Gypsum

Sunstone (Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8

Tumbled pink feldspar-rich stone, likely granite or microcline (Feldspar-dominant granitoid; probable potassium feldspar (orthoclase/microcline, KAlSi₃O₈) with quartz and minor iron-stained minerals) — igneous

Tumbled pink feldspar-rich stone, likely granite or microcline

Feldspar-dominant granitoid; probable potassium feldspar (orthoclase/microcline, KAlSi₃O₈) with quartz and minor iron-stained minerals

Dalmatian Stone (Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)) — igneous

Dalmatian Stone

Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Basalt with Peridotite Xenolith (Mafic Igneous Rock with Peridotite Inclusion (Olivine-rich)) — igneous

Basalt with Peridotite Xenolith

Mafic Igneous Rock with Peridotite Inclusion (Olivine-rich)

Epidote in Quartz (SiO2 with Ca2Al2(Fe3+,Al)(SiO4)3(OH)) — mineral

Epidote in Quartz

SiO2 with Ca2Al2(Fe3+,Al)(SiO4)3(OH)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Lepidolite Polished Point (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite Polished Point

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Mica Schist (Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)

Schist (Mica Schist (Metamorphic Rock)) — metamorphic

Schist

Mica Schist (Metamorphic Rock)

Gneiss (Granitic Gneiss) — metamorphic

Gneiss

Granitic Gneiss

Greenschist (Chlorite schist) — metamorphic

Greenschist

Chlorite schist

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Purple Lepidolite with Quartz (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Purple Lepidolite with Quartz

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Granite Gravel / Crushed Granite (Plutonic Felsic Igneous Rock) — igneous

Granite Gravel / Crushed Granite

Plutonic Felsic Igneous Rock

River Rocks (Polished River Pebbles) (Stream-rounded clastic sediments) — Mixed (Sedimentary, Igneous, and Metamorphic)

River Rocks (Polished River Pebbles)

Stream-rounded clastic sediments

Mixed (Sedimentary, Igneous, and Metamorphic)

Lepidolite (in Quartz Matrix) (Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2]) — mineral

Lepidolite (in Quartz Matrix)

Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2]

Talc (Talc (Hydrated magnesium silicate, Mg3Si4O10(OH)2)) — metamorphic

Talc

Talc (Hydrated magnesium silicate, Mg3Si4O10(OH)2)

Graphite (Graphite (Native Carbon, C)) — metamorphic

Graphite

Graphite (Native Carbon, C)

Lepidolite Pebble (K(Li,Al)3(Al,Si,3O10)(F,OH)2) — mineral

Lepidolite Pebble

K(Li,Al)3(Al,Si,3O10)(F,OH)2

Greisen (Quartz-Muscovite-Turretine Rock) (Greisen) — Metamorphic Rock

Greisen (Quartz-Muscovite-Turretine Rock)

Greisen

Metamorphic Rock

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Labradorite (Polished Tumbled Stone) (Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)) — mineral

Labradorite (Polished Tumbled Stone)

Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)

Diorite (Porphyritic) / Granite (Plutonic Igneous Rock (Granodiorite / Diorite)) — igneous

Diorite (Porphyritic) / Granite

Plutonic Igneous Rock (Granodiorite / Diorite)

Basalt with Quartz Vein (Basalt (extrusive igneous rock with SiO2 vein inclusion)) — igneous

Basalt with Quartz Vein

Basalt (extrusive igneous rock with SiO2 vein inclusion)

Mica (Muscovite) (Muscovite, KAl2(AlSi3O10)(OH)2) — Mineral

Mica (Muscovite)

Muscovite, KAl2(AlSi3O10)(OH)2

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — mineral

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Chert / Flint (Microcrystalline or cryptocrystalline quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline or cryptocrystalline quartz (SiO2)

Dendritic Agate (Silicon Dioxide (SiO2) with inclusions) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions

Fuchsite (Chrome Mica) (K(Al,Cr)2(AlSi3O10)(OH)2) — mineral

Fuchsite (Chrome Mica)

K(Al,Cr)2(AlSi3O10)(OH)2

Gabbro (Gabbro (Mafic Intrusive Igneous Rock)) — igneous

Gabbro

Gabbro (Mafic Intrusive Igneous Rock)

Aura Quartz (Coated Quartz) (Silicon Dioxide (SiO2) treated with metallic vapor) — mineral

Aura Quartz (Coated Quartz)

Silicon Dioxide (SiO2) treated with metallic vapor

Fossilized Shark Tooth (Otodus obliquus) (Otodus obliquus (Mineralized Apatite / Bio-apatite)) — fossil

Fossilized Shark Tooth (Otodus obliquus)

Otodus obliquus (Mineralized Apatite / Bio-apatite)

Basalt with Iron Oxidation (Extrusive mafic volcanic rock) — igneous

Basalt with Iron Oxidation

Extrusive mafic volcanic rock

Diorite (Diorite) — igneous

Diorite

Diorite

Chert (with Limestone and Iron Oxide staining) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (with Limestone and Iron Oxide staining)

Cryptocrystalline Quartz (SiO2)

Labradorite (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Labradorite

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Labradorite (Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)) — mineral

Labradorite

Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)

Ocean Jasper (SiO2 (Silicon Dioxide with impurities)) — mineral

Ocean Jasper

SiO2 (Silicon Dioxide with impurities)

Rainbow Moonstone with Black Tourmaline (White Labradorite with Schorl (Na,Ca)(Al,Si)4O8) — mineral

Rainbow Moonstone with Black Tourmaline

White Labradorite with Schorl (Na,Ca)(Al,Si)4O8

Rhodonite (Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3

Moss Agate and Hematite (Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)) — mineral

Moss Agate and Hematite

Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)