Chrysocolla
Chrysocolla - (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Category
Mineral, Often A Rock Given Its Aggregate Nature
Browse mineral, often a rock given its aggregate nature specimens identified by the Rock Identifier community.
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Yellow Quartz (Citrine alternative)
Silicon Dioxide (SiO2) with iron impurities
mineral
Jasper
Microcrystalline Quartz (SiO2) with impurities
sedimentary
River Cobble (likely Sandstone or Siltstone type)
Sandstone or Siltstone (common rock types that form river cobbles)
Sedimentary Rock (specifically a clastic sedimentary rock formed into a cobble)
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate
Chalcedony / Silicon Dioxide (SiO2)
mineral
Quartz (variety of colors)
SiO2 (Silicon Dioxide)
Mineral
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nHeO)
mineral
Dyed Blue Agate Slice
Silicon Dioxide (SiO2) with artificial dye
mineral
Pink Tumbled Agate
Silicon Dioxide (SiO2) with dye
mineral
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
White Topaz
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron inclusions
mineral
Jasper
Chalcedony (SiO2)
mineral
Chrysocolla on Matrix
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)
Diorite (Igneous rock, intrusive, intermediate composition)
Igneous Rock
Red Jasper (Heliotrope family variant)
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
sedimentary
Hemimorphite
Hemimorphite (Zn4Si2O7(OH)2·H2O)
mineral
Copper Nugget
Native Copper (Cu)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Black Tourmaline
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)
mineral
Jasper
Chalcedony (SiO2)
mineral
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
mineral
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
sedimentary
Native Copper
Native Copper (Cu)
mineral
Tumbled Agate and Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble with Mineral Encrustation
Quartz Sandstone with Calcite/Halite Crust
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Picture Jasper
SiO2, Microcrystalline Quartz
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (likely carnelian or yellow agate)
Silicon Dioxide (SiO₂)
mineral
Lapis Lazuli
(Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Granodiorite (Weathered)
Granodiorite
igneous
Emerald in Matrix
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
gemstone
Chrysocolla in Matrix
Hydrated copper silicate - (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Mica (specimen appears to be Muscovite or Phlogopite)
Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2
Mineral (Found in Igneous and Metamorphic rocks)
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Chrysocolla on Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Banded Gneiss (with possible weathered sulfide or iron staining)
Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides
Metamorphic