Lace Agate (specifically Red Lace Agate)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Lace Agate (specifically Red Lace Agate)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Blue Chalcedony
Silicon Dioxide (SiO2)
Chert Pebble/Nodule
Chert (a microcrystalline or cryptocrystalline sedimentary form of quartz, SiO2)
Jasper (Red Jasper)
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Chert (or possibly Flint)
SiO2 (Silicon Dioxide)
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
Citrine
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye (Multicolor/Variegated)
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
Lemon Quartz (Orizaba/Citrinated Quartz)
Silicon Dioxide (SiO2) with iron impurities/treatment
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Specular Hematite (Specularite)
Hematite (Iron(III) oxide) - Fe2O3
Jasper
Silicon Dioxide (SiO2) with impurities
Banded Agate (specifically sardonyx or carnelian agate variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Banded Agate (specifically Black Sardonyx/Onyx variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
Blue Chalcedony and Picture Jasper Beads
Blue Chalcedony (SiO2), Picture Jasper (SiO2)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
Cloudy Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Jasper (specifically Red Jasper or Iron-stained Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)