Rock Identifier

Category

Mineral (Specifically A Mineraloid)

Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.

Snowflake Obsidian (Volcanic glass containing Spherulites (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass containing Spherulites (SiO2)

Pearl (Aragonite / Calcium Carbonate (CaCO3)) — mineral

Pearl

Aragonite / Calcium Carbonate (CaCO3)

Ruby (Corundum) (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Greenschist (Greenschist (Chlorite-actinolite schist)) — metamorphic

Greenschist

Greenschist (Chlorite-actinolite schist)

Rainbow Moonstone (White Labradorite (formula: (Na,Ca)(Al,Si)4O8)) — mineral

Rainbow Moonstone

White Labradorite (formula: (Na,Ca)(Al,Si)4O8)

Pink Opal (Hydrated Silica (SiO2·nH2O) with Palygorskite inclusions) — Mineraloid

Pink Opal

Hydrated Silica (SiO2·nH2O) with Palygorskite inclusions

Precious Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Precious Opal

Hydrated Silica (SiO2·nH2O)

Fuchsite (Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Amygdaloidal Basalt with Epidote/Chlorite (Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))) — igneous

Amygdaloidal Basalt with Epidote/Chlorite

Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))

Titanium-coated Metal Cube (Man-made Fidget Toy) (Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)) — Mineral alternative / Synthetic

Titanium-coated Metal Cube (Man-made Fidget Toy)

Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)

Mineral alternative / Synthetic

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

Lepidolite with Quartz

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

Chert (Jasper variety) (Chert (SiO2)) — sedimentary

Chert (Jasper variety)

Chert (SiO2)

Pyrite and Sunstone (Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)) — mineral

Pyrite and Sunstone

Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)

Amazonite (Microcline (K(AlSi3O8))) — mineral

Amazonite

Microcline (K(AlSi3O8))

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Buffalo Nickel (Indian Head Nickel) (Cupronickel (75% Copper, 25% Nickel)) — mineral (processed alloy)

Buffalo Nickel (Indian Head Nickel)

Cupronickel (75% Copper, 25% Nickel)

mineral (processed alloy)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Ruby (Corundum) (Al2O3 (Aluminium oxide with Chromium impurities)) — Mineral

Ruby (Corundum)

Al2O3 (Aluminium oxide with Chromium impurities)

Rose Quartz (Silicon dioxide with traces of titanium, iron, or manganese (SiO2)) — mineral

Rose Quartz

Silicon dioxide with traces of titanium, iron, or manganese (SiO2)

Dalmatian Stone (Dalmation Jasper) (Aplite with Arfvedsonite inclusions) — igneous

Dalmatian Stone (Dalmation Jasper)

Aplite with Arfvedsonite inclusions

Black Onyx (Silicon dioxide (SiO2)) — mineral

Black Onyx

Silicon dioxide (SiO2)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Strawberry Quartz (Quartz with Hematite inclusions (SiO2 + Fe2O3)) — mineral

Strawberry Quartz

Quartz with Hematite inclusions (SiO2 + Fe2O3)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Citrine (Crystalline Quartz (SiO2) with iron impurities) — mineral

Citrine

Crystalline Quartz (SiO2) with iron impurities

Dalmatian Stone (Peralkaline Feldsphathic Igneous Rock) — igneous

Dalmatian Stone

Peralkaline Feldsphathic Igneous Rock

Yellow Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Milky Quartz with Mineral Inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Ruby

Corundum (Al2O3 with Chromium impurities)

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)