Quartz (Citrine or Smoky variety)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Secondary Mineral) Within Igneous
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
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Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Mixed Mineral Collection (Quartz, Amethyst, Rose Quartz, Pyrite, etc.)
Mixed Silicates and Sulfides (SiO2, FeS2)
mineral
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/a2f96ae5-fe1a-40fa-b022-e45fd2897b20-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
Turquoise (possible Dyed Magnesite/Howlite)
CuAl6(PO4)4(OH)8·4H2O
mineral
Baltic Amber
Succinite (Fossilized Tree Resin)
fossil
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) - Microcrystalline Chalcedony
sedimentary
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Pyrite and Sunstone
Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)
mineral
Epidote in Quartz
SiO2 with Ca2Al2(Fe3+,Al)(SiO4)3(OH)
mineral
Lepidolite in Quartz Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Limestone with Calcite Veining
Sedimentary Carbonate Rock (CaCO3)
sedimentary
Stilbite
Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O)
mineral
Quartz (Citrine or Iron-stained variety)
Silicon Dioxide (SiO2)
mineral
Rhodochrosite (Beads) and Citrine (Pendant)
Rhodochrosite (MnCO3) and Quartz variety Citrine (SiO2)
mineral
Blue Quartz (Blue Chalcedony/Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions (typically Dumortierite Al7(BO3)(SiO4)3O3)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary or Igneous host
mineral
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) - CuAl6(PO4)4(OH)8·4H2O
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt
Extrusive mafic igneous rock (Basalt with vesicular texture)
igneous
Amygdaloidal Basalt with Quartz Veining
Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining
igneous
Pyrite
Iron Pyrite (FeS2)
mineral
Green Aventurine (Green Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
sedimentary
Copper Ore
Mixed copper sulfides/oxides in gangue matrix
mineral
Gneiss and Igneous Rock Collection
Foliated Metamorphic Rock (Gneiss) / Igneous Rocks
metamorphic
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
igneous
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Vesicular basalt (possible scoria)
Basaltic volcanic rock; chiefly plagioclase, pyroxene, and iron-rich minerals, with vesicles formed by trapped gas
igneous
Chert (Jasper/Agate variant)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Jasper and Basalt River Pebble
Silica-rich volcanic rock with iron oxide staining
igneous
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2)
sedimentary
Dyed Agate Slice
Silicon Dioxide (SiO2)
mineral
Weathered basalt fragment
Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase and pyroxene, with possible olivine and iron-oxide alteration
igneous
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony
sedimentary
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Chrysocolla in Cuprite (Sonora Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) with Cu2O
mineral
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Calcite (commonly sold as Caribbean Calcite)
Calcium Carbonate (CaCO3)
mineral