Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Category
Organic Gem Material (Botanical)
Browse organic gem material (botanical) specimens identified by the Rock Identifier community.
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Aquamarine (Pale variety)
Beryl (Be3Al2Si6O18)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
metamorphic
Yellow Jasper
Jasper (Silicon Dioxide, SiO2 plus various mineral impurities)
sedimentary
Amethyst
Quartz (Silicon Dioxide) with Iron impurities, SiO2
mineral
Mother of Pearl (Nacre)
Calcium Carbonate (primarily aragonite, with conchiolin)
Organic Gemstone/Biomineral
Pearl
Calcium carbonate (CaCO3) as Aragonite or Calcite
mineral
Shale or Argillite
Shale (fine-grained clastic sedimentary rock) or Argillite (low-grade metamorphic rock derived from shale)
Sedimentary or Metamorphic (low grade)
Diamond in Kimberlite
Kimberlite Matrix with Carbon (Diamond)
igneous
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Pink Tourmaline (Rubellite)
Elbaite (Tourmaline group) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·n(H2O)
mineral
Basalt
Basalt (predominantly Plagioclase Feldspar and Pyroxene)
igneous
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Diamond in Kimberlite
Diamond (C in Kimberlite)
igneous
Rough Diamond
Diamond (pure carbon / C)
mineral
Beryl (Aquamarine) in Matrix
Beryllium aluminum silicate (Be3Al2(SiO3)6)
mineral
Chrysocolla in Matrix
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Pearl (as a biogenic mineral/gemstone)
Calcium Carbonate (mostly Aragonite), CaCO3
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Pearl
Calcium Carbonate (CaCO3) with Conchiolin
mineral
Cherry Creek Jasper (also known as Red Creek Jasper or Cherry Creek Agate)
Jasper, microcrystalline quartz (SiO₂)
Sedimentary Rock
Mookaite Jasper
Siliceous (chert) sedimentary rock, a form of Jasper
Sedimentary
Tumbled Moonstone and Amazonite Chips
Orthoclase (KAlSi3O8) and Microcline (KAlSi3O8) of the Feldspar Group
mineral
Chrysocolla
Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)
mineral
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
mineral
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Diamond
Native Carbon (C)
mineral
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
metamorphic