Green Jasper
Silicon dioxide (SiO2)
sedimentary
Category
Man Made Silicate (Anthropogenic Glass)
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
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Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)
Man-made rock-like material
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Chert / Flint Variety)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
sedimentary
Orthoclase (Potassium) Feldspar in Quartz
KAlSi3O8 (Potassium Aluminum Silicate)
igneous
Quartzite (River Pebble)
Quartzite (Mainly SiO2)
metamorphic
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartz (Milky or Rose variety)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (Metamorphosed Sandstone)
metamorphic
Chert
Microcrystalline quartz (SiO2)
sedimentary
Flint
Silicon dioxide (Microcrystalline Quartz / Chert)
sedimentary
Aquamarine (Beryl)
Beryllium Aluminum Silicate - Be3Al2Si6O18
gemstone
Beryl (Emerald or Aquamarine in Matrix)
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Sandstone (Ferruginous)
Arenite with Iron oxide staining (SiO2 with Fe2O3)
sedimentary
Quartz (likely Chalcedony or Chert)
Silicon Dioxide (SiO2)
mineral
Green cabochon gemstone, likely aventurine or dyed chalcedony
Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony
gemstone
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
sedimentary
Peach Moonstone (Orange/Peach Feldspar)
Potassium aluminum silicate (KAlSi3O8)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities such as Fe2O3
sedimentary
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Red Jasper
Jasper (Silicate Mineral - SiO2)
sedimentary
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartzite
Metamorphic Quartz Arenite
metamorphic
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Green Jasper / Chert Pebbles
Microcrystalline Quartz (SiO2)
sedimentary
Light-colored quartz-rich stone, possibly milky quartz
Quartz (SiO₂), provisional identification
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled chalcedony (likely moss or dendritic agate)
Microcrystalline quartz, SiO₂, with iron-oxide inclusions
mineral
Garnet Beads
Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)
Mineral
Feldspar (Potassium Feldspar / Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe3+)
mineral
Quartzite
Silica (SiO2) quartzite
metamorphic
Sandstone Chert/Quartzite
Silicon Dioxide (SiO2) - Sedimentary Sandstone / Orthoquartzite
sedimentary
Flint / Chert Pebble
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline silica (SiO2)
sedimentary
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert (and Agate/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
sedimentary
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral