Rock Identifier

Category

Mineral (Native Element)

Browse mineral (native element) specimens identified by the Rock Identifier community.

Learn about Mineral (Native Element) in the encyclopedia

Sulfur

Carbonatite

Euxenite

Pegmatitic quartz–feldspar rock with dark mica (Granitic pegmatite; quartz (SiO₂), feldspar, and biotite mica) — igneous

Pegmatitic quartz–feldspar rock with dark mica

Granitic pegmatite; quartz (SiO₂), feldspar, and biotite mica

Gold-bearing rock, possibly native gold in quartz or ironstone matrix (Native gold (Au); matrix not identifiable from the image) — mineral

Gold-bearing rock, possibly native gold in quartz or ironstone matrix

Native gold (Au); matrix not identifiable from the image

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

Sunstone (Feldspar)

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

Turquoise (Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Celestine (or Celestite) (Strontium sulfate (SrSO4)) — mineral

Celestine (or Celestite)

Strontium sulfate (SrSO4)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Diamond (Faceted) (Carbon (C) - Diamond) — mineral

Diamond (Faceted)

Carbon (C) - Diamond

Sunstone (Oligoclase (Feldspar variety)) — mineral

Sunstone

Oligoclase (Feldspar variety)

Banded fluorite point (Fluorite (calcium fluoride, CaF₂)) — mineral

Banded fluorite point

Fluorite (calcium fluoride, CaF₂)

Diamond (as set in a metal alloy ring) (Diamond (Pure Carbon, C)) — mineral

Diamond (as set in a metal alloy ring)

Diamond (Pure Carbon, C)

Diamond (Uncut Crystal) (Carbon (C)) — mineral

Diamond (Uncut Crystal)

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Malachite-bearing matrix specimen (Malachite, Cu₂CO₃(OH)₂, likely with chrysocolla and host rock) — mineral

Malachite-bearing matrix specimen

Malachite, Cu₂CO₃(OH)₂, likely with chrysocolla and host rock

Rounded greenish-gold rock or mineral pebble (Indeterminate; possibly serpentine-rich stone, weathered sulfide, or iron-stained metamorphic rock) — mineral

Rounded greenish-gold rock or mineral pebble

Indeterminate; possibly serpentine-rich stone, weathered sulfide, or iron-stained metamorphic rock

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Turquoise or Chrysocolla (Inlaid Jewelry) (Hydrated copper aluminum phosphate / Hydrated copper phyllosilicate) — mineral

Turquoise or Chrysocolla (Inlaid Jewelry)

Hydrated copper aluminum phosphate / Hydrated copper phyllosilicate

Raw dark metallic mineral specimen, possibly native gold-bearing quartz or sulfide ore (Uncertain from image; possible pyrite/chalcopyrite-bearing quartz or gold-bearing sulfide matrix) — mineral

Raw dark metallic mineral specimen, possibly native gold-bearing quartz or sulfide ore

Uncertain from image; possible pyrite/chalcopyrite-bearing quartz or gold-bearing sulfide matrix

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — gemstone

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Graphite (Graphite (Carbon, C)) — Mineral

Graphite

Graphite (Carbon, C)

Indeterminate metallic mineral fragments (Possibly pyrite, chalcopyrite, or metallic sulfide-bearing rock) — mineral

Indeterminate metallic mineral fragments

Possibly pyrite, chalcopyrite, or metallic sulfide-bearing rock

Diamond in Kimberlite (Diamond (C in Kimberlite Matrix)) — igneous

Diamond in Kimberlite

Diamond (C in Kimberlite Matrix)

Probable weathered sulfide-bearing rock (Indeterminate; possibly pyrite- or chalcopyrite-bearing matrix) — mineral

Probable weathered sulfide-bearing rock

Indeterminate; possibly pyrite- or chalcopyrite-bearing matrix

Small yellow mineral specimen, possibly sulfur (Unidentified; native sulfur (S) is a possibility) — mineral

Small yellow mineral specimen, possibly sulfur

Unidentified; native sulfur (S) is a possibility

Likely native metallic mineral specimen (Uncertain from photograph; possibly pyrite (FeS₂) or a sulfide-rich metallic ore) — mineral

Likely native metallic mineral specimen

Uncertain from photograph; possibly pyrite (FeS₂) or a sulfide-rich metallic ore

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Gold-bearing quartz specimen (Native gold (Au) in quartz, possibly with iron sulfides) — mineral

Gold-bearing quartz specimen

Native gold (Au) in quartz, possibly with iron sulfides

Celestite (Celestine) (Celestine (SrSO4)) — mineral

Celestite (Celestine)

Celestine (SrSO4)

Native Copper in Basalt (Cu) — mineral

Native Copper in Basalt

Cu

Obsidian (Obsidian (Volcanic Glass; SiO2 content > 70%)) — igneous

Obsidian

Obsidian (Volcanic Glass; SiO2 content > 70%)

Obsidian (Obsidian (Volcanic Glass, SiO2 dominated)) — igneous

Obsidian

Obsidian (Volcanic Glass, SiO2 dominated)

Copper-oxide ore (malachite-bearing copper ore) (Malachite, Cu₂CO₃(OH)₂, with likely chrysocolla and iron-oxide minerals) — mineral

Copper-oxide ore (malachite-bearing copper ore)

Malachite, Cu₂CO₃(OH)₂, with likely chrysocolla and iron-oxide minerals

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic volcanic rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock)

Quartz-rich pegmatite, possibly with mica and feldspar (Granitic pegmatite; mainly quartz (SiO₂), feldspar, and biotite/muscovite mica) — igneous

Quartz-rich pegmatite, possibly with mica and feldspar

Granitic pegmatite; mainly quartz (SiO₂), feldspar, and biotite/muscovite mica

Turquoise (Copper Aluminum Phosphate (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Copper Aluminum Phosphate (CuAl6(PO4)4(OH)8·4H2O)

Sulfur (Sulfur (S)) — mineral

Sulfur

Sulfur (S)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic Volcanic Rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

Orange calcite (likely honey calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Orange calcite (likely honey calcite)

Calcite, calcium carbonate (CaCO₃)

Tumbled agate/chalcedony (Microcrystalline quartz (SiO₂), likely agate with iron-oxide and other mineral inclusions) — mineral

Tumbled agate/chalcedony

Microcrystalline quartz (SiO₂), likely agate with iron-oxide and other mineral inclusions

White Topaz (Al2SiO4(F,OH)2) — mineral

White Topaz

Al2SiO4(F,OH)2

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Gold Ore in Quartz (Auriferous Quartz (Au + SiO2)) — igneous

Gold Ore in Quartz

Auriferous Quartz (Au + SiO2)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O