Rock Identifier

Category

Organic Diamond

Browse organic diamond specimens identified by the Rock Identifier community.

Learn about Organic Diamond in the encyclopedia

Diamond

Herkimer Diamond

Herkimer Diamond

Sapropel

Kimberlite

Zircon

Prehnite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Bituminous Shale

Bituminous Shale

White Topaz

Black Shale

Petrified Wood

Amber

Amber (Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)) — Organic Diamond/Gemstone (often associated with Sedimentary sequences)

Amber

Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)

Organic Diamond/Gemstone (often associated with Sedimentary sequences)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Graphite (Graphite (Native Carbon), Formula: C) — Metamorphic

Graphite

Graphite (Native Carbon), Formula: C

Graphite (Carbon (C)) — mineral

Graphite

Carbon (C)

Graphite (Graphite (Chemical Formula: C)) — Mineral (Native Element)

Graphite

Graphite (Chemical Formula: C)

Mineral (Native Element)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

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

Graphite

Graphite (Native Carbon, C)

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

Diamond in Kimberlite

Diamond (C in Kimberlite Matrix)

Diamond (C) — gemstone

Diamond

C

Diamond (or Diamond Simulant like Cubic Zirconia) (Carbon (C) - if Diamond; Zirconium dioxide (ZrO2) - if Cubic Zirconia) — mineral

Diamond (or Diamond Simulant like Cubic Zirconia)

Carbon (C) - if Diamond; Zirconium dioxide (ZrO2) - if Cubic Zirconia

Diamond in Kimberlite (Kimberlite host rock with C (Carbon) inclusion) — igneous

Diamond in Kimberlite

Kimberlite host rock with C (Carbon) inclusion

Herkimer Diamond (Quartz (Silica - SiO2)) — mineral

Herkimer Diamond

Quartz (Silica - SiO2)

Rough Diamond / Clear Quartz (C (Carbon) or SiO2 (Silicon Dioxide)) — mineral

Rough Diamond / Clear Quartz

C (Carbon) or SiO2 (Silicon Dioxide)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Graphite (Graphite (Carbon, C)) — metamorphic

Graphite

Graphite (Carbon, C)

Diamond in Kimberlite (Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)) — igneous

Diamond in Kimberlite

Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)

Diamond (in a jewelry setting) (Diamond (Carbon, C)) — mineral

Diamond (in a jewelry setting)

Diamond (Carbon, C)

Diamond (Diamond (pure native carbon, C)) — mineral

Diamond

Diamond (pure native carbon, C)

Diamond (C (Carbon)) — gemstone

Diamond

C (Carbon)

Clear Quartz / Diamond (untested) (Silicon Dioxide (SiO2) or Carbon (C)) — mineral

Clear Quartz / Diamond (untested)

Silicon Dioxide (SiO2) or Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Fossilized Bark (Lepidodendron / Sigillaria fossil impression) — fossil

Fossilized Bark

Lepidodendron / Sigillaria fossil impression

Diamond (or Cubic Zirconia) (Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ) — mineral

Diamond (or Cubic Zirconia)

Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Cubic Zirconia (Cubic Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Diamond (or Cubic Zirconia) (C (Carbon) or ZrO2 (Zirconium Dioxide)) — mineral

Diamond (or Cubic Zirconia)

C (Carbon) or ZrO2 (Zirconium Dioxide)

Kimberlite with Diamond (Kimberlite (Diamond formula: C)) — igneous

Kimberlite with Diamond

Kimberlite (Diamond formula: C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)

Pearls (likely freshwater cultured pearls) (Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin) — gemstone

Pearls (likely freshwater cultured pearls)

Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin

Diamond (Diamond (Pure Carbon, C)) — Mineral

Diamond

Diamond (Pure Carbon, C)

Cubic Zirconia (Faceted) (Zirconium dioxide (ZrO2)) — mineral

Cubic Zirconia (Faceted)

Zirconium dioxide (ZrO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — mineral

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Cubic Zirconia (CZ) (Cubic Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (CZ)

Cubic Zirconium Dioxide (ZrO2)

mineral (synthetic)

Diamond (or Simulant) (Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)) — gemstone

Diamond (or Simulant)

Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)

Angel Skin Coral (Corallium rubrum / Corallium spp. (Calcium Carbonate, CaCO3)) — gemstone

Angel Skin Coral

Corallium rubrum / Corallium spp. (Calcium Carbonate, CaCO3)

Diamond (or Diamond Simulant) (Carbon (C)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C)

Diamond (C) — gemstone

Diamond

C