Lapis Lazuli (Simulated)
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Category
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Lapis Lazuli (Simulated)
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Smoky Quartz on Feldspar (Granite Pegmatite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
Amethyst (Tumbled Quarz)
Silicon Dioxide (SiO2) with iron impurities
Quartz (Yellow/Citrine variety)
Crystalline Silicon Dioxide (SiO2)
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
Sandstone (Quartzose Sandstone)
Arenite
Sandstone
Arenite (primarily SiO2)
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
Green Aventurine
Aventurine (Silicon Dioxide with Fuchsite inclusions - SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Chalcedony/Citrine Pebble)
Silicon Dioxide (SiO2)
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Chert
Chert (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Citrine
Quartz (Silicon Dioxide - SiO2)
Yellow Quartz / Quartzite Pebble
Silicon Dioxide (SiO2)
Chert (Nodule/Pebble)
Chert (Silicon Dioxide, SiO2)
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz with Feldspar
Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)
Quartzite (River Pebble)
Quartzite (Mainly SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Citrine
Silicon dioxide (SiO2)
Sandstone (with potential Quartzite characteristics)
Clastic sedimentary rock (primarily SiO2)
Citrine Quartz
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Sandstone Concretion
Sedimentary concretion
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Lace Agate
Chalcedony (SiO2) with trace inclusions