Turquoise (Blue Howlite imitation)
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Turquoise (Blue Howlite imitation)
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Amazonite
K(AlSi3O8) - Lead-bearing Microcline
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Green Aventurine and Clear Quartz Bracelet
Quartz variety with Fuchsite inclusions (Aventurine) and pure Silicon Dioxide (SiO2)
Quartz (Flesh-colored or Rose Quartz variety)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Dendritic Agate (specifically Orange/Tumbled)
Silicon Dioxide (SiO2) with Oxide Inclusions
Clear Quartz
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Carnelian (red chalcedony)
Chalcedony, microcrystalline quartz (SiO₂), iron-oxide colored variety
Quartz (Smoky/Grey Variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2 with Iron Hydroxide inclusions)
Pink Granite
Granite (Felsic Plutonic Rock)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Microcline (Potassium Feldspar)
Microcline (KAlSi3O8)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Polished jasper (likely brecciated or scenic jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions
Larimar
Pectolite (NaCa2Si3O8(OH))
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Banded Agate (specifically Lake Superior Agate style)
Agate (Cryptocrystalline Quartz, SiO2)
Iron-stained Quartz Pebble
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Orbicular jasper (likely ocean jasper)
Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper
Tumbled Quartz
Silicon Dioxide (SiO2)
Raw Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine
Quartz (SiO₂)
Agate Nodule
Silicon dioxide (Chalcedony/Quartz), SiO2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Sapphire and Diamond (Set in Metal)
Corundum (Al2O3) and Diamond (C)
Ocean Jasper
SiO2, highly silicified rhyolite or spherulitic chalcedony
Jasper
Silicon dioxide (SiO2)
Epidote
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Blue Lace Agate
Banded Chalcedony (Silica/Quartz), SiO₂
Biggs Jasper
Cryptocrystalline Quartz (Silicon Dioxide) - SiO2
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)