Rock Identifier

Category

Mineral Like (Natural Glass)

Browse mineral like (natural glass) specimens identified by the Rock Identifier community.

Coarse Sandstone (Arenite (SiO2 based)) — sedimentary

Coarse Sandstone

Arenite (SiO2 based)

sedimentary
Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

metamorphic
Fossiliferous Limestone (Calcium Carbonate (CaCO3) with Bioclastic Inclusions) — sedimentary

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with Bioclastic Inclusions

sedimentary
Rose Quartz (Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)) — mineral

Rose Quartz

Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)

mineral
Massive Quartz (Silicon dioxide (SiO2)) — mineral

Massive Quartz

Silicon dioxide (SiO2)

mineral
Rough Blue Diamond (Carbon (C) - Type IIb Diamond) — mineral

Rough Blue Diamond

Carbon (C) - Type IIb Diamond

mineral
Diamond (Macled/Crystal fragment) (Carbon (C), isometric crystal system) — mineral

Diamond (Macled/Crystal fragment)

Carbon (C), isometric crystal system

mineral
Quartz (Druzy/Macro-crystalline) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy/Macro-crystalline)

Silicon Dioxide (SiO2)

mineral
Slag (Industrial Glass Slag) (Amorphous Silica / Ferro-silicate Slag) — mineraloid / anthropogenic

Slag (Industrial Glass Slag)

Amorphous Silica / Ferro-silicate Slag

mineraloid / anthropogenic
Potassium Feldspar and Quartz (KAlSi3O8 (Potassium Feldspar) and SiO2 (Quartz)) — mineral

Potassium Feldspar and Quartz

KAlSi3O8 (Potassium Feldspar) and SiO2 (Quartz)

mineral
Diamond (as featured in jewelry) (Diamond (C - pure carbon)) — mineral

Diamond (as featured in jewelry)

Diamond (C - pure carbon)

mineral
Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

sedimentary
Diamond (Cut jewelry specimen) (Diamond (pure Carbon, C)) — mineral

Diamond (Cut jewelry specimen)

Diamond (pure Carbon, C)

mineral
Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

mineral
Himalayan Salt (Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.) — Mineral

Himalayan Salt

Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.

Mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

mineral
Dyed Pink Dragon Vein Agate (Silicon Dioxide (SiO2) with artificial dye additives) — mineral

Dyed Pink Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial dye additives

mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Rough Diamond (Diamond (Native Carbon, C)) — mineral

Rough Diamond

Diamond (Native Carbon, C)

mineral
Diamond (as set in a gold ring) (Carbon (C)) — mineral

Diamond (as set in a gold ring)

Carbon (C)

mineral
Chevron Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Chevron Amethyst

Silicon Dioxide (SiO2) with iron impurities

mineral
Pink Orthoclase Feldspar with Dendrites (Orthoclase (KAlSi3O8) with Manganese Oxide dendrites) — mineral

Pink Orthoclase Feldspar with Dendrites

Orthoclase (KAlSi3O8) with Manganese Oxide dendrites

mineral
Sandstone (likely Quartzose Sandstone) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (composed primarily of SiO2)

sedimentary
Orthoclase Feldspar (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

mineral
Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

mineral
Blue Quartz (Quartz (Silicon Dioxide) with blue inclusions (SiO2)) — mineral

Blue Quartz

Quartz (Silicon Dioxide) with blue inclusions (SiO2)

mineral
Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

mineral
Dream Amethyst (Chevron Amethyst) (Silicon Dioxide with inclusions (SiO2)) — mineral

Dream Amethyst (Chevron Amethyst)

Silicon Dioxide with inclusions (SiO2)

mineral
Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

sedimentary
Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

sedimentary
Auriferous Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Auriferous Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

igneous
Amethyst and Gravel Collection (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst and Gravel Collection

Amethyst (Silicon Dioxide, SiO2)

mineral
Clear Quartz Crystal (Quartz (Silicon Dioxide - SiO2)) — mineral

Clear Quartz Crystal

Quartz (Silicon Dioxide - SiO2)

mineral
Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Clear Quartz Cluster (Quartz (Silicon Dioxide - SiO2)) — mineral

Clear Quartz Cluster

Quartz (Silicon Dioxide - SiO2)

mineral
Clear Quartz (Rock Crystal) (Quartz (Silicon Dioxide - SiO2)) — mineral

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide - SiO2)

mineral
Clear Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral