Quartzite
Quartzite (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
Chert (Quartz Variety)
Chert (SiO2)
Chert (Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
Orange Calcite
Calcite (CaCO3)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Fuchsite Gneiss (Green Quartzite)
Chromium-rich Muscovite (KAl2(AlSi3O10)(OH)2 with Cr replacements)
Chert (Gravel / Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Sandstone (various mineral compositions)
Tiger's Eye
Tiger's Eye (a variety of Chalcedony, which is cryptocrystalline quartz). Chemical Formula: SiO2 with inclusions of crocidolite fibers.
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Snowflake Obsidian
Vitreous volcanic silicate rock (SiO2) with Spherulite inclusions
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Fuchsite Gneiss or Schist
Muscovite (variety Fuchsite) within Metamorphic Host Rock
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodule)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Green variety)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
SiO2 (Microcrystalline Quartz)
Gray Chert (Flint)
Microcrystalline Quartz (SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Jasper/Carnelian variety)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Green Aventurine (Propably a tumbled variety)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Pink Quartzite
Metamorphosed Quartz Arenite (SiO2)
Amethyst (Chevron or Dream Amethyst variety)
Tectosilicate Silicon Dioxide (SiO2) with iron impurities
Peach Moonstone (Orange/Peach Feldspar)
Potassium aluminum silicate (KAlSi3O8)