Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
Category
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
Amazonite
Amazonite (KAlSi3O8, a triclinic variety of Potassium Feldspar)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Limonite (Gozzany Iron)
Limonite (FeO(OH)·nH2O)
Sandstone
Arenite (composed primarily of SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 staining)
Yellow Ocher (Limonite)
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 with trace Fe2O3)
Sandstone
Arenite (SiO2 based)
Biotite Schist (likely)
Biotite Schist (rock), Biotite (mineral)
Petrified Wood
Silicified Wood (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Petrified Dinosaur Bone (Gembone)
Agatized Dinosaur Bone
Sandstone (Ferruginous)
Sandstone (mainly SiO2 with Fe2O3 staining)
Jasper
Silicon dioxide (SiO2)
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
Milky Quartz
Silicon Dioxide (SiO2)
Chakra Tumbled Stone Set
Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Jasper with Manganese Dendrites
Silicon Dioxide (SiO2) with Oxide Mineral Inclusions
Marble
Recrystallized Calcite (CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Milky Quartz (or Bull Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Moonstone
Orthoclase (Potassium Aluminum Silicate), Formula: (K,Na)AlSi3O8
Silver (Morgan Dollar)
Native Silver (Ag) - 90% Silver, 10% Copper alloy
Amazonite
K(AlSi3O8), Microcline (potassium feldspar)
Quartzite with inclusions
Quartzite
Slag (Industrial Glass Slag)
Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)
Fossilized Coral
Anthozoa (Fossilized)
Limonite (Iron-rich Siltstone / Sandstone base)
Hydrous ferric oxide mixture (FeO(OH)·nH2O)
Chrysocolla Chalcedony
Hydrated Copper Phyllosilicate (Cu,Al)2H2Si2O5(OH)4 + SiO2
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Limonite/Goethite staining)
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Chert (specifically Tan Chert)
Chert (SiO2)