Lapis Lazuli
Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)
Category
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
Lapis Lazuli
Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)
Lapis Lazuli (Raw)
Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S
Slate with Pyrite Inclusions
Foliated Metamorphic Rock (with Iron Sulfide FE-S2)
Slate with Quartz Vein
Foliated Metamorphic Rock (Mainly Quartz, Muscovite, Chlorite)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Quartzite
Quartzite (SiO2)
Schist
Mica Schist
Greenstone
Greenschist
Schist
Mica Schist
Mica Schist
Mica Schist (primarily Muscovite [KAl2(AlSi3O10)(OH)2] or Biotite)
Marble
Recrystallized Calcite (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Quartzite
Quartzite (SiO2)
Greenstone
Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)
Slate
Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)
Quartzite
Quartzite (chiefly SiO2)
Unakite
Epidotized Granite
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Yellow Quartzite Pebble
Quartzite (primarily Silicon Dioxide - SiO2)
Petrified Wood
Silicified Wood (SiO2)
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
Mudstone
Lutylite (group of fine-grained sedimentary rocks)
Sandstone
Arenite
Greenstone (Greenschist)
Greenschist facies rock (containing chlorite, epidote, actinolite)
Greenstone (Epidote/Chlorite Schist)
Metabasalt (composed primarily of Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH) and Chlorite (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Quartzite (River Cobble)
Quartzite (predominantly SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Lapis Lazuli (in Matrix)
Na8[Al6Si6O24]S2 (Lazurite as the primary component)
Ferruginous Quartzite (Iron-stained Quartzite)
Quartzite with Iron oxides (FeO(OH) / Fe2O3)
Unakite
Epidotized Granite
Quartzite
Quartzite (Mainly SiO2)
Slate
Slate (Low-grade regional metamorphic rock)
Quartzite (Iron-stained River Rock)
Metamorphic Rock consisting primarily of Quartz (SiO2)
Red Quartzite
Metamorphic Rock (rich in SiO2 with hematite inclusions)
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
Schist
Mica Schist (Medium-grade metamorphic rock)