Desert Rose (Baryte or Selenite variant)
Barium Sulfate (BaSO4) or Gypsum (CaSO4·2H2O) with Sand inclusions
Category
Browse mineral (treated) specimens identified by the Rock Identifier community.
Desert Rose (Baryte or Selenite variant)
Barium Sulfate (BaSO4) or Gypsum (CaSO4·2H2O) with Sand inclusions
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Quartz Pebble
Silicon Dioxide (SiO2)
Basalt River Cobble
Basalt (Aphanitic Mafic Volcanic Rock)
Greywacke (River Slikenside)
Greywacke (Lithic Sandstone)
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Granite
Granite (Felsic Intrusive Igneous Rock)
Diorite
Intermediate plutonic igneous rock
Limonite after Pyrite (Prophecy Stone or Ironstone Concretion)
Goethite/Limonite pseudomorph after Pyrite/Marcasite (FeO(OH)·nH2O)
Garden Quartz
Included Quartz (SiO2 with accessory minerals such as Chlorite, Hematite, or Feldspar)
Amethyst Sage Agate
Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)
Ruby
Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Slag (Industrial Glass Slag)
Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)
Quartzite
Quartzite (SiO2)
Basalt (Vesicular)
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Extrusive mafic igneous rock
Glaucophane Schist (Blueschist)
Blueschist (Glaucophane-bearing schist)
Pyrite
Iron Sulfide (FeS2)
Chrysocolla
Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O
Granitic Pegmatite with Schorl
Granitic Pegmatite (Schorl: NaFe3Al6(Si6O18)(BO3)3(OH)3OH)
Green Aventurine (Tumbled Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Kyawthuite
Kyawthuite (Bi3+Sb5+O4)
Diamond
Diamond (C)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
Milky Quartz
Silicon Dioxide (SiO2)
Unakite
Epidotized Granite
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Phaneritic Igneous Rock (Granite)
Unable to Identify (Image Obscured)
Diamond
Diamond (Pure Carbon, C)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Granite (River Pebble)
Phaneritic intrusive igneous rock (Felsic)
Ruby in Matrix
Corundum (Al2O3)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Pegmatite
Granitic Pegmatite
Sandstone (Quartzose)
Arenite (primarily SiO2)
Breciated Limestone with Calcite Veins
Sedimentary Breccia (CaCO3)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Granitic Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)