Quartz Geode Fragment
Silicon Dioxide (SiO2) in a Sedimentary Host
mineral
Category
Sedimentary (Host)
Browse sedimentary (host) specimens identified by the Rock Identifier community.
Quartz Geode in Chert/Limestone Matrix
Silicon Dioxide (SiO2) within Sedimentary Host Rock
sedimentary
Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Chert (often called Flint when dark)
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
sedimentary
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Druzy Quartz on Limestone
Silicon Dioxide (SiO2)
mineral
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities
sedimentary
Chert (Nodular)
Microcrystalline Silica (SiO2)
sedimentary
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
mineral
Quartz (Druzy or Geode fragment)
Silicon Dioxide (SiO2)
mineral
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/81546651-32fa-4148-838a-c2bca7c29bba-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
mineral
Turquoise (set in silver jewelry)
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Chert (Basanite / Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/f0e26140-66af-4b29-ac3d-420c184c210e-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
Druzy Quartz Geode (Vug)
Silicon Dioxide (SiO2)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Chert (Nodular Chert)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Druzzy Quartz on Matrix
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (Herkimer-style)
Silicon Dioxide (SiO2)
mineral
Agatized Fossil or Chalcedony Nodule
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (Jasper variety)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide
mineral
Quartz Druzy (on Calcedony/Quartz base)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Botryoidal Agate vein)
Chalcedony (Microcrystalline Quartz) - SiO2
mineral
Chert (with Limestone matrix)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Chert Nodule
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Milky Quartz (or Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminium phosphate)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral with metamorphic or sedimentary host
Chert (Arrowhead Debitage or Flake)
Microcrystalline silica (SiO2)
sedimentary