Yellow Jasper
Silica (Silicon Dioxide, SiO2) with iron inclusions
sedimentary
Category
Mineral (Variety Of Quartz)
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
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Pink Tourmaline in Quartz Matrix
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz Veining
Silicon Dioxide (SiO2)
sedimentary
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Banded Agate (Geode Fragment)
Silicon Dioxide (SiO2) - Variety Agate
mineral
Gneiss
Gneiss (a rock type, not a specific mineral with a formula)
Metamorphic Rock
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
mineral
Red Tiger's Eye beads
Tiger's Eye (variety of Chalcedony, SiO2)
Mineral / Gemstone (variety of Quartz)
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
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
mineral
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
mineral
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
sedimentary
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Opaque cryptocrystalline variety of Quartz
sedimentary
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (Variety: Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Jasper with Iron Staining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Agate Geode
Silicon Dioxide (SiO2) - Variety Agate with Quartz crystal center
mineral
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
mineral
Quartz (Orangey-white variety)
Silicon Dioxide (SiO2)
mineral
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
mineral
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
sedimentary
Blue Quartzite
Quartzite (mostly SiO2 with mineral inclusions)
metamorphic
Chert
Chert (microcrystalline quartz)
Sedimentary
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Mineral
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
mineral
Quartz (Microcrystalline/Macro crystalline variety)
Silicon Dioxide (SiO2)
mineral
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Mineral
Amber Agate (Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Amazonite
Tectosilicate (variety of Microcline), K(AlSi3O8)
mineral
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Jasper (likely a variety of Yellow or Mustard Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary (chemically precipitated mineral)
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
sedimentary