Amygdaloidal Basalt
Basalt with secondary mineral infilling
igneous
Category
Sedimentary (Processed Mineral Product)
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
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Amber
Succinite (fossilized resin, C10H16O)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Red Jasper
Jasper (Silica/Microcrystalline Quartz with Hematite inclusions), SiO2
sedimentary
River Quartz Pitting/Cobble
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Rough Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Porphyritic Basalt
Porphyritic Basalt (with Plagioclase and Augite phenocrysts)
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Grape Agate
Botryoidal Amethystine Chalcedony (SiO2)
mineral
Dalmatian Stone
Dalmatian Jasper (Aplitic Perthite)
igneous
Tiger's Eye
SiO2 (Quartz with inclusions of altered crocidolite)
metamorphic
Tiger's Eye
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Mineral (Metamorphic pseudomorph)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
metamorphic
Pink Granite
Granite (Phaneritic intrusive rock)
igneous
Blue Quartzite
Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite)
metamorphic
Mica Schist
Mica Schist (Complex Silicate Rock)
metamorphic
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Gold
Native Gold (Au)
mineral
Pink Tourmaline (Rubellite)
Elbaite - Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3OH
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Dendritic Opal (Merlinite)
Hydrated Silica with Manganese/Iron oxide inclusions (SiO2·nH2O)
mineral
Pearl (Biogenic Mineraloid)
Calcium carbonate (Aragonite) and Conchiolin, CaCO3
mineral
Milky Quartz with Chlorite/Mica inclusions
Silicon Dioxide (SiO2) with phyllosilicate inclusions
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Diamond (or Cubic Zirconia)
Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ
mineral
Snowflake Obsidian
Spherulitic Volcanic Glass (SiO2 + impurities)
igneous
Snowflake Obsidian
Spherulitic Obsidian (Volcanic Glass with Cristobalite inclusions)
igneous
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Fluorite (Purple Fluorite in Matrix)
Fluorite (Calcium Fluoride, CaF2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Quartz (beads)
SiO2 (Silicon Dioxide)
Mineral
White Topaz
Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral