Pink Feldspar / Rhodochrosite (Tumbled Pink Quartzite)
SiO2 (Quartz) / KAlSi3O8 (Potassium Feldspar)
mineral
Category
Antropogenic (Man Made Glass Byproduct)
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Chert (or Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Dendritic Jasper (Bumblebee like Agate)
Silicon Dioxide with inclusions (SiO2)
sedimentary
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Basalt
Extrusive Igneous Rock
igneous
Green Fluorite
Calcium fluoride (CaF2)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Quartzite Pebble
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Quartzite
Metamorphic Quartzite
metamorphic
Quartzite
Metamorphic Quartzite (primarily SiO2)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Obsidian
Volcanic glass
igneous
Yellow Quartzite River Stone
Quartzite (SiO2)
metamorphic
Quartzite river stone
Quartzite (SiO2 silicon dioxide)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartzite (SiO2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartzite
Quartzite (Metamorphic Quartz Sandstone)
metamorphic
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Quartzite
Metamorphic Quartz Sandstone
metamorphic
Quartzite Pebble
Quartzite
metamorphic
Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
sedimentary
Quartz-rich pegmatite (likely feldspar–quartz rock)
Granitic pegmatite; predominantly quartz (SiO₂) and feldspar, with possible mica and iron-oxide staining
igneous
Dyed or color-enhanced agate/microcrystalline quartz bead
Chalcedony (microcrystalline SiO₂), likely agate
gemstone
Milky quartz with iron staining
Quartz, silicon dioxide (SiO₂)
mineral
Quartz with Matrix
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic