Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Category
Mineral, Jewelry
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Learn about Mineral, Jewelry in the encyclopedia
View all →
Pink Thulite (Zoisite)
Ca2Al3(SiO4)3(OH) - Manganese-bearing Zoisite
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
mineral
Sparkling Druzy Quartz on Matrix
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
mineral
Amazonite
Microcline (variety of Feldspar), K(AlSi3O8)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide - SiO2 with iron impurities)
mineral
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Amethyst
Silicon dioxide / Quartz (SiO2+Fe4+)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
mineral
Poppy Jasper
Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
Mineral
Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
mineral
Banded Serpentine
Serpentine group (subgroup Lizardite or Antigorite) - Mg3Si2O5(OH)4
metamorphic
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Snowflake Obsidian
Volcanic Glass (SiO2 rich with Cristobalite inclusions)
igneous
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Lapis Lazuli (Simulated)
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Fluorite (tumbled pebble)
Calcium Fluoride (CaF2)
mineral
Diamond
C (Carbon)
gemstone
Limonite
FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)
mineral
Amethyst and Rose Quartz Beads
Crystalline Quartz (SiO2) with trace elements
gemstone
Eudialyte with Syenite
Eudialyte: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
igneous
Fluorite (Fluor-spar)
Calcium Fluoride (CaF2)
mineral
Onyx
Chalcedony (SiO2)
mineral
Quartz Vug / Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
Quartz (Silicon Dioxide, SiO2)
gemstone
Rose Quartz and Pegmatite
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz (Rose Quartz or Chert variant)
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Tumbled Rose Quartz
Quartz (Silicon Dioxide, SiO2 with trace amounts of titanium, iron, or manganese)
mineral
Prehnite
Prehnite, Ca2Al2Si3O10(OH)2
mineral
Chrysoprase-bearing Quartz
Silicon Dioxide with Nickel Inclusions (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
gemstone
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Peridot in Matrix
Olivine ((Mg,Fe)2SiO4)
mineral
Green Jasper
Microcrystalline Quartz (SiO2)
sedimentary