Rock Identifier

Category

Organic Gem Material (Botanical)

Browse organic gem material (botanical) specimens identified by the Rock Identifier community.

Dragon Blood Jasper (Epidote with Red Piedmontite (Chalcedony/Quartz variant)) — sedimentary

Dragon Blood Jasper

Epidote with Red Piedmontite (Chalcedony/Quartz variant)

Cardstock (Paper) (Cellulose (C6H10O5)n) — sedimentary (man-made)

Cardstock (Paper)

Cellulose (C6H10O5)n

sedimentary (man-made)

Human Skin (Epidermis/Dermis) (Integumentary tissue (High content of hydroxyapatite in bones, though the surface is biological)) — Mineral-like biological tissue

Human Skin (Epidermis/Dermis)

Integumentary tissue (High content of hydroxyapatite in bones, though the surface is biological)

Mineral-like biological tissue

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

Pearl

Aragonite / Calcium Carbonate (CaCO3)

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

Sunstone

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

Amethyst (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with Iron impurities

Sunstone (Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8

Sunstone (Oregon Sunstone) (Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8) — mineral

Sunstone (Oregon Sunstone)

Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8

Moonstone (Adularia (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Moonstone (Feldspar) (Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)) — mineral

Moonstone (Feldspar)

Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)

Citrine (Citrine (Silicon Dioxide - SiO2)) — mineral

Citrine

Citrine (Silicon Dioxide - SiO2)

Blue Kyanite (Kyanite (Al2SiO5)) — Mineral

Blue Kyanite

Kyanite (Al2SiO5)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Beryl (Emerald Variety) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2Si6O18)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Amethyst (Quartz variety) (Amethyst [Silicon Dioxide (SiO2)]) — mineral

Amethyst (Quartz variety)

Amethyst [Silicon Dioxide (SiO2)]

Emerald / Green Beryl (Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities) — mineral

Emerald / Green Beryl

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Amber (Succinite (Fossilized Tree Resin), C10H16O) — Organic Mineraloid

Amber

Succinite (Fossilized Tree Resin), C10H16O

Organic Mineraloid

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Concrete with Exposed Aggregate (Anthropogenic conglomerate (Concrete)) — man-made rock (sedimentary analogue)

Concrete with Exposed Aggregate

Anthropogenic conglomerate (Concrete)

man-made rock (sedimentary analogue)

Rutile in Quartz (Rutilated Quartz) (SiO2 with TiO2 inclusions) — Mineral

Rutile in Quartz (Rutilated Quartz)

SiO2 with TiO2 inclusions

Asphalt / Road Aggregate (Bituminous Conglomerate (synthetic)) — sedimentary

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Chert (Nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Amber (Rough Baltics/Beach Specimen) (Succinicum (Organic Gemstone - Fossilized Resin)) — mineral

Amber (Rough Baltics/Beach Specimen)

Succinicum (Organic Gemstone - Fossilized Resin)

Amethyst (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with Iron impurities

Amber (Succinite (with a generalized formula of C10H16O)) — mineral

Amber

Succinite (with a generalized formula of C10H16O)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Shale (or Mudstone) (Siltstone/Argillite (composed mainly of clay and silt-sized particles)) — sedimentary

Shale (or Mudstone)

Siltstone/Argillite (composed mainly of clay and silt-sized particles)

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

Pink Opal

Hydrated Silica (SiO2·nH2O)

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

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

Sandstone Concretion (Arenaceous concretion (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone Concretion

Arenaceous concretion (primarily SiO2 with Fe2O3 staining)

Green Moss Agate / Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz with Iron and Manganese inclusions) — sedimentary

Green Moss Agate / Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz with Iron and Manganese inclusions

Amber / Copal (Succinite (fossilized tree resin)) — mineraloid

Amber / Copal

Succinite (fossilized tree resin)

Amber (Succinite (specifically for Baltic amber); chemical formula approx. C10H16O) — Organic Gemstone (fossilized resin)

Amber

Succinite (specifically for Baltic amber); chemical formula approx. C10H16O

Organic Gemstone (fossilized resin)

Shale (Shale (comprised mostly of clay minerals and quartz)) — sedimentary

Shale

Shale (comprised mostly of clay minerals and quartz)

Shale (Fissile Mudstone (Shale)) — sedimentary

Shale

Fissile Mudstone (Shale)

Moss Agate (Chalcedony (Silicon Dioxide / SiO2)) — mineral

Moss Agate

Chalcedony (Silicon Dioxide / SiO2)

Pearl (likely Freshwater or Akoya Cultured) (Aragonite / Conchiolin composite (CaCO3)) — Mineralloid (Organic gemstone)

Pearl (likely Freshwater or Akoya Cultured)

Aragonite / Conchiolin composite (CaCO3)

Mineralloid (Organic gemstone)

Precious Red Coral (Corallium rubrum / Corallium japonicum) — mineral (organic gemstone)

Precious Red Coral

Corallium rubrum / Corallium japonicum

mineral (organic gemstone)

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

Moss Agate

Silicon Dioxide with inclusions (SiO2)

Amber / Copal (Fossilized Tree Resin (Succinate)) — Mineraloid

Amber / Copal

Fossilized Tree Resin (Succinate)