Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Category
Browse manufactured glass specimens identified by the Rock Identifier community.
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (with Iron Staining)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Quartzite
Quartzite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide staining/cementing)
Yellow Quartzite (Onyx Pebble)
Silicon Dioxide (SiO2) - Quartzite
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)
Quartzite (River Pebble)
Metamorphic rock consisting primarily of Quartz (SiO2)
Quartzite River Pebbles
Quartzite (primarily SiO2)
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
Yellow Quartzite
Quartzite (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Yellow Quartz (Iron-stained Quartz)
Quartz (Silicon Dioxide, SiO2) with Hematite/Limonite impurities
Quartzite
Quartzite (SiO2)
Quartzite
Metamorphic Rock (Mainly SiO2)
Quartz (specifically Milky or Rose Quartz)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Yellow Quartz (Chalcedony or Agate)
Silicon Dioxide (SiO2)
Chert (Chert / Flint nodule)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
Beach Quartzite (Yellow-stained Quartz)
Quartzite (SiO2 with Iron oxide staining)
Ferruginous Quartz
Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))
Chert (specifically Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
Sandstone (Quartzite-rich Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)