Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Category
Mineral (Synthetic)
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
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Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Geode (Unopened)
SiO2 (Quartz-filled Sedimentary Nodule)
sedimentary
Limonite pseudomorph after Pyrite
Goethite/Limonite FeO(OH)·nH2O
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Menilite Opal (Goddess Stone)
Menilite Opalescent Silex (Amorphous Hydrated Silica)
sedimentary
Geode (Unbroken)
Silicon Dioxide (SiO2) usually as Microcrystalline Quartz or Chalcedony
sedimentary
Sulfide Ore (likely Galena and Sphalerite in Quartz)
Lead-Zinc Ore (PbS and ZnS)
mineral
Epidote (likely Unakite component or Epidosite)
Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Amethyst
Silicon Dioxide (SiO2) with Fe3+ impurities
mineral
Emerald (Beryl)
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
mineral
Moonstone (Orthoclase Feldspar)
(K,Na)AlSi3O8
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace rutile/dumortierite
mineral
Celestine (or Celestite) on Matrix
Celestine (SrSO4)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Quartz Geode
Crystalline Silicon Dioxide (SiO2)
mineral
Pink Orthoclase Feldspar with Dendrites
Orthoclase (KAlSi3O8) with Manganese Oxide dendrites
mineral
Fuchsite Schist
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Schist
metamorphic
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
mineral
Rose Quartz
Rose Quartz (SiO2 with trace titanium, iron, or manganese)
mineral
Blue Lace Agate
Silicon Dioxide (SiO2)
mineral
Tektite (Indochinite)
Tektite (impactite), primarily high-silica glass (SiO2)
igneous
Amethyst Quartz
Amethyst (SiO2 with Iron impurities)
mineral
Fulgurite
Fulgurite (Lechatelierite-rich variety)
metamorphic
Charoite
K(Ca,Na)2Si4O10(OH,F)·H2O
metamorphic
Malachite
Malachite (Cu2CO3(OH)2)
mineral
Fulgurite
Fulgurite (Lechatelierite)
metamorphic
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Opal (Precious Opal)
Hydrated Silica (SiO2·nH2O)
mineral
Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
mineral
Beryl (Aquamarine) in Matrix with Schorl
Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
mineral
Heliotrope (Bloodstone)
Silicon dioxide (SiO2) with inclusions
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Raw Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral