Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Gneiss
High-grade regional metamorphic rock (Foliated)
Ruby
Corundum (Al2O3 with chromium impurities)
Quartzite River Rock
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Jasper (Imperial Jasper style)
Silicon Dioxide (SiO2) with impurities
Green Quartzite
Metamorphic rock primarily composed of Silicon Dioxide (SiO2) with mineral inclusions like fuchsite or chlorite
Pink Granite
Phaneritic intrusive igneous rock with dominant Alkali Feldspar
Chert (varieties include Flint and Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Banded River Pebble (Gneiss or Quartz-Veined Basalt)
Polished River Siltstone or Quartzite Gneiss
Quartzite
Quartzite (SiO2)
Chert (Limestone/Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Rainbow Moonstone
White Labradorite (Feldspar variety)
Red Jasper
Jasper (Silicon Dioxide with iron oxide inclusions), SiO2
Quartzite
Quartzite (primarily SiO2)
River Quartzite or Chert Pebble
Quartzite (primarily Silicon Dioxide - SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Unakite
Unakite (Epidotized Granite)
Gneiss
Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Red Quartzite / Metasandstone River Pebble
Quartzite (primarily SiO2 with hematite inclusions)
Red Quartzite Cobble
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Schist
Mica Schist (primarily composed of quartz, feldspar, and mica)
Schist (Micaceous Schist)
Schist (containing mainly Muscovite and Quartz)
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Gneiss (specifically a granitic gneiss cobble)
Gneiss (high-grade regional metamorphic rock)
Quartzite Pebble
Quartzite (primarily SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)