Ametrine
Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)
mineral
Category
Mineral (Specifically A Gemstone Variety)
Browse mineral (specifically a gemstone variety) specimens identified by the Rock Identifier community.
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Aventurine
Quartz (SiO2) with inclusions
mineral
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper
Jasper (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Travertine (Tufa)
Chemical Limestone (CaCO3)
sedimentary
Lake Superior Agate
Cryptocrystalline Quartz (SiO2)
mineral
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
mineral
Yellow Jasper
Silicon dioxide (SiO2)
sedimentary
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8) - Lead-bearing Microcline
mineral
Amazonite
K(AlSi3O8), Microcline Feldspar
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
metamorphic
Jasper (specifically Red or Brecciated Jasper variant)
Jasper (Microcrystalline Quartz - SiO2)
sedimentary
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Dyed Blue Agate
Silicon dioxide (SiO2) with artificial pigment
mineral
Carnelian
Cryptocrystalline Quartz (SiO2)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Larvikite
Monzonite / Anorthosite (Igneous Rock)
igneous
Blue Quartzite
Quartzite (specifically a variety enriched with blue-coloring minerals)
Metamorphic Rock
Blue Lace Agate
Cryptocrystalline variety of Quartz (SiO2)
mineral
Pyrite and Sunstone
Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)
mineral
Banded Agate (specifically Sardonyx)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
mineral
Tumbled Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Granite (specifically the Ubatuba variety)
Phaneritic Igneous Rock (Granodiorite/Monzogranite)
igneous
Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Dalmatian Stone
Aplite (often incorrectly called Dalmatian Jasper)
igneous
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Amazonite
K(AlSi3O8) (Microcline Feldspar)
mineral
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
mineral
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Red Jasper
Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions
mineral
Blue Lace Agate (Polished Point)
Silicon Dioxide (SiO2)
mineral
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2)
mineral