Rock Identifier

Category

Mineralological Variety

Browse mineralological variety specimens identified by the Rock Identifier community.

Learn about Mineralological Variety in the encyclopedia

Albite

Flame Obsidian

Lace Obsidian

Oligoclase

Brookite

Sodalite

Syenite

Microcline

Leopard Obsidian

Orthoclase

Starry Night Obsidian

Pumpkin Obsidian

Pumpkin Obsidian

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Amazonite (Microcline (KAlSi3O8) with Pb impurities) — mineral

Amazonite

Microcline (KAlSi3O8) with Pb impurities

Fulgurite (Fulgurite (Lechatelierite)) — metamorphic

Fulgurite

Fulgurite (Lechatelierite)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Gray Chert (River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Gray Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Sunstone (Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8

Yellow Jasper (Silicon Dioxide (SiO2) with goethite or limonite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or limonite inclusions

Red Jasper (Silicon Dioxide (SiO2) containing Iron Oxide impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) containing Iron Oxide impurities

Agate (SiO2) — mineral

Agate

SiO2

Gray Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Gray Agate

Cryptocrystalline Quartz (SiO2)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Tumbled jasper, likely red jasper (Microcrystalline quartz (SiO₂), chalcedony variety with iron-oxide impurities) — mineral

Tumbled jasper, likely red jasper

Microcrystalline quartz (SiO₂), chalcedony variety with iron-oxide impurities

Gray chalcedony (microcrystalline quartz) (Chalcedony, SiO₂; likely common gray/blue-gray variety) — mineral

Gray chalcedony (microcrystalline quartz)

Chalcedony, SiO₂; likely common gray/blue-gray variety

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Polished brecciated jasper (likely septarian or iron-rich jasper) (Microcrystalline quartz (chalcedony), SiO₂, with iron oxides and possibly calcite or other rock fragments) — sedimentary

Polished brecciated jasper (likely septarian or iron-rich jasper)

Microcrystalline quartz (chalcedony), SiO₂, with iron oxides and possibly calcite or other rock fragments

Chert (Chert Nodule) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Chert Nodule)

Microcrystalline quartz (SiO2)

Ocean Jasper (Orbicular Jasper (Silicon Dioxide with impurities), SiO2) — mineral

Ocean Jasper

Orbicular Jasper (Silicon Dioxide with impurities), SiO2

Argetine Blue Agate (Chalcendony variant) (Silicon Dioxide (SiO₂)) — mineral

Argetine Blue Agate (Chalcendony variant)

Silicon Dioxide (SiO₂)

Selenite (Satin Spar Variety) (Gypsum (CaSO4·2H2O)) — mineral

Selenite (Satin Spar Variety)

Gypsum (CaSO4·2H2O)

Carnelian (Silicon Dioxide (Chalcedony variety)) — gemstone

Carnelian

Silicon Dioxide (Chalcedony variety)

Bloodstone (Chalcedony (Variety Heliotrope), SiO2) — mineral

Bloodstone

Chalcedony (Variety Heliotrope), SiO2

Moss Agate (Silicon Dioxide (Chalcedony variety)) — mineral

Moss Agate

Silicon Dioxide (Chalcedony variety)

Lake Superior Agate (Silicon Dioxide (Chalcedony variety)) — sedimentary

Lake Superior Agate

Silicon Dioxide (Chalcedony variety)

Carnelian (Quartz (chalcedony variety), SiO2) — gemstone

Carnelian

Quartz (chalcedony variety), SiO2

Tumbled smoky quartz (Quartz (SiO₂), smoky variety) — mineral

Tumbled smoky quartz

Quartz (SiO₂), smoky variety

Tumbled rose quartz (Quartz (SiO₂), pink variety) — mineral

Tumbled rose quartz

Quartz (SiO₂), pink variety

Lake Superior Agate (SiO2 (Quartz variety chalcedony)) — gemstone

Lake Superior Agate

SiO2 (Quartz variety chalcedony)

Tumbled Agate (Dyed Blue) (Silicon Dioxide (Chalcedony variety)) — gemstone

Tumbled Agate (Dyed Blue)

Silicon Dioxide (Chalcedony variety)

Tumbled Amethyst (Silicon Dioxide (Quartz variety)) — gemstone

Tumbled Amethyst

Silicon Dioxide (Quartz variety)

Agate (Silicon dioxide (Chalcedony variety)) — sedimentary

Agate

Silicon dioxide (Chalcedony variety)

Lake Superior Agate (Quartz (Variety: Agate, SiO2)) — mineral

Lake Superior Agate

Quartz (Variety: Agate, SiO2)

Lake Superior Agate (Silicon Dioxide (Chalcedony variety)) — gemstone

Lake Superior Agate

Silicon Dioxide (Chalcedony variety)

Amethyst Geode (Quartz (SiO2, variety Amethyst)) — mineral

Amethyst Geode

Quartz (SiO2, variety Amethyst)

Dyed Agate (Cryptocrystalline variety of Silica (SiO2)) — gemstone

Dyed Agate

Cryptocrystalline variety of Silica (SiO2)

Carnelian (Carnelian (variety of Chalcedony, SiO2)) — mineral

Carnelian

Carnelian (variety of Chalcedony, SiO2)

Agate (within host rock) (Agate (Quartz variety SiO2)) — mineral

Agate (within host rock)

Agate (Quartz variety SiO2)

Dyed Pink Agate Slice (Cryptocrystalline variety of Quartz (SiO2)) — mineral

Dyed Pink Agate Slice

Cryptocrystalline variety of Quartz (SiO2)

Amethyst (Amethyst (variety of Quartz, SiO2)) — mineral

Amethyst

Amethyst (variety of Quartz, SiO2)