Lapis Lazuli (Raw)
Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S
Category
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Lapis Lazuli (Raw)
Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S
Lapis Lazuli
Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2)
River/Stream Pebble
Clast / Detrital Grain / Rounded Sedimentary Particle (Compositionally variable, commonly Quartz, Feldspar, Chert, or other resistant rock fragments)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock (Pebble)
Quartz (SiO2) with sandstone or siltstone matrix
Green Moonstone (Garnierite)
Nickel-bearing Magnesium Silicate (often a mix of Serpentine and Talc/Chlorite groups)
Lapis Lazuli (Raw Ore)
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)
Sandstone (River Cobble)
Clastic Sedimentary Rock (primarily Quartz with Feldspar)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Granite
Granite (Alkali-feldspar, Quartz, and Plagioclase composition)
Lapis Lazuli
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (Complex aggregate mainly of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Na8[Al6Si6O24]S2 (Lazurite component), a rock composed primarily of Lazurite, Calcite, and Pyrite
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
Blue Apatite
Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)
Porphyritic Basalt (Mafic volcanic rock)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Granular)
Silicon Dioxide (SiO2)
Fire Opal (in matrix)
Hydrated Silica (SiO2·nH2O)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Chalcedony in Limestone Host Rock
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Bicolor Quartz Pebble
Silicon Dioxide (SiO2) with mineral inclusions
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
Sandstone
Arenite
Limestone with Quartz or Calcite Veining
Calcium Carbonate (CaCO3) matrix with SiO2 or CaCO3 inclusions
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Red Jasper with Quartz Veining
Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions
Granitic Gneiss
Gneiss (Metamorphic rock of granitic composition)