Rock Identifier

Category

Organic Gemstone (Fossilized Resin)

Browse organic gemstone (fossilized resin) specimens identified by the Rock Identifier community.

Blue Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Blue Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Carnelian (Carnelian (SiO2)) — mineral

Carnelian

Carnelian (SiO2)

Quartz with Mica inclusion (Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions) — igneous

Quartz with Mica inclusion

Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions

Blue Quartzite (Quartzite (primarily SiO2) with inclusions like Dumortierite or Crocidolite) — metamorphic

Blue Quartzite

Quartzite (primarily SiO2) with inclusions like Dumortierite or Crocidolite

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

Epidote (likely Unakite component or Epidosite) (Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote (likely Unakite component or Epidosite)

Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))

Red Quartzite / Ferruginous Quartzite (Quartzite (SiO2 with Iron Oxide impurities)) — metamorphic

Red Quartzite / Ferruginous Quartzite

Quartzite (SiO2 with Iron Oxide impurities)

Labradorite ((Ca,Na)(Al,Si)4O8) — mineral

Labradorite

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

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite (specifically Milky Quartz variety) (Quartz (SiO2)) — metamorphic

Quartzite (specifically Milky Quartz variety)

Quartz (SiO2)

Fuchsite in Quartz (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2) — metamorphic

Fuchsite in Quartz

K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2

Quartz Geode / Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

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)

Amazonite (Potassium Feldspar (KAlSi3O8)) — mineral

Amazonite

Potassium Feldspar (KAlSi3O8)

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

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Amethyst (Amethyst (variety of Quartz, SiO2)) — mineral

Amethyst

Amethyst (variety of Quartz, SiO2)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Chrysocolla (Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·n(H2O)) — mineral

Chrysocolla

Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·n(H2O)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Quartz (Smoky or Clear variety with inclusions) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky or Clear variety with inclusions)

Silicon Dioxide (SiO2)

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Heliotrope (Bloodstone) (Silicon dioxide (SiO2) with inclusions) — mineral

Heliotrope (Bloodstone)

Silicon dioxide (SiO2) with inclusions

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Carnelian (a variety of Chalcedony) (SiO2 (Silicon Dioxide) primarily colored by iron oxide (Hematite)) — mineral

Carnelian (a variety of Chalcedony)

SiO2 (Silicon Dioxide) primarily colored by iron oxide (Hematite)

Tiger's Eye (Pseudomorph of quartz after crocidolite (SiO2 with iron inclusions)) — metamorphic

Tiger's Eye

Pseudomorph of quartz after crocidolite (SiO2 with iron inclusions)

Tanzanite (Blue Zoisite (Ca2Al3(SiO4)3(OH))) — mineral

Tanzanite

Blue Zoisite (Ca2Al3(SiO4)3(OH))

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

Emerald (Beryl)

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

Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O) — metamorphic

Charoite

K(Ca,Na)2Si4O10(OH,F)·H2O

Peach Moonstone (Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar) — mineral

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar

Quartz with Inclusions (Silicon Dioxide (SiO2) with various mineral inclusions) — mineral

Quartz with Inclusions

Silicon Dioxide (SiO2) with various mineral inclusions

Lake Superior Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Lake Superior Agate

Cryptocrystalline Quartz (SiO2)

Dendritic Agate (Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide

White Quartz (Carved or Tumbled) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Carved or Tumbled)

Silicon Dioxide (SiO2)

Rough Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Rough Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Chrysocolla (Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·n(H2O)) — mineral

Chrysocolla

Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·n(H2O)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

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

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)