Red Tiger's Eye beads
Tiger's Eye (variety of Chalcedony, SiO2)
Mineral / Gemstone (variety of Quartz)
Category
Mineral, Variety Of Quartz
Browse mineral, variety of quartz specimens identified by the Rock Identifier community.
Jasper (likely a variety of Yellow or Mustard Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary (chemically precipitated mineral)
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
sedimentary
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
mineral
Chert (Flint variety)
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
mineral
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
sedimentary
Rough Green Adventurine
Aventurine (Variety of Quartz, SiO2)
metamorphic
Amazonite
Tectosilicate (variety of Microcline), K(AlSi3O8)
mineral
Chert
Chert (microcrystalline quartz)
Sedimentary
Gneiss
Gneiss
metamorphic
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Gneiss
Gneiss (a rock type, not a specific mineral with a formula)
Metamorphic Rock
Mixed Gemstone Bracelet
Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)
Mineral/Rock assemblage
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
mineral
Indigo Gabbro
Gabbro (composed of plagioclase feldspar, pyroxene, and olivine)
igneous
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Mineral
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
mineral
Pink Tourmaline in Quartz Matrix
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)
mineral
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Mineral
Pegmatite (likely Granitic Pegmatite)
Pegmatite (a coarse-grained igneous rock, often with granitic composition)
igneous
Jasper (Cream/Yellow variety)
Silicon Dioxide (SiO2) with impurities
sedimentary
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
mineral
Purple Dyed Agate Geode (Banded Chalcedony)
Silicon Dioxide (SiO2) - variety: Agate
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Quartz (Microcrystalline/Macro crystalline variety)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz / Quartzite Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Blue Quartzite
Quartzite with inclusions (SiO2)
metamorphic
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
sedimentary
Geode (Quartz)
Silicon Dioxide (SiO2)
mineral
Agate (Sliced Nodule)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Quartz (Orangey-white variety)
Silicon Dioxide (SiO2)
mineral