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 (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Small tumbled stone, possibly moss agate (Likely chalcedony (microcrystalline SiO₂); exact identification is uncertain from the image) — mineral

Small tumbled stone, possibly moss agate

Likely chalcedony (microcrystalline SiO₂); exact identification is uncertain from the image

Red Jasper (possibly) (Jasper (a variety of Chalcedony, SiO2)) — Mineral

Red Jasper (possibly)

Jasper (a variety of Chalcedony, SiO2)

Agate and Chalcedony Beads (Cryptocrystalline Quartz (SiO2)) — gemstone

Agate and Chalcedony Beads

Cryptocrystalline Quartz (SiO2)

Tumbled jasper (likely brecciated or red jasper) (Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions) — mineral

Tumbled jasper (likely brecciated or red jasper)

Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions

Quartz (SiO2) — mineral

Quartz

SiO2

Chert and Chalcedony (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert and Chalcedony

Cryptocrystalline Quartz (SiO2)

Chert (likely flint) (Microcrystalline quartz, SiO₂ (chalcedony/quartz aggregate)) — sedimentary

Chert (likely flint)

Microcrystalline quartz, SiO₂ (chalcedony/quartz aggregate)

Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — Mineral

Jasper

Silicon dioxide (SiO2)

Amazonite (Microcline (variety Amazonite), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety Amazonite), K(AlSi3O8)

Agate (SiO2 (Silicon dioxide, chalcedony variety)) — Mineral

Agate

SiO2 (Silicon dioxide, chalcedony variety)

Likely rough feldspar crystal (possibly amazonite or orthoclase) (Potassium feldspar, KAlSi₃O₈; exact variety cannot be confirmed from the image) — mineral

Likely rough feldspar crystal (possibly amazonite or orthoclase)

Potassium feldspar, KAlSi₃O₈; exact variety cannot be confirmed from the image

Polished feldspar-rich stone, possibly amazonite (Likely microcline feldspar (KAlSi₃O₈); identification is uncertain from the image) — mineral

Polished feldspar-rich stone, possibly amazonite

Likely microcline feldspar (KAlSi₃O₈); identification is uncertain from the image

Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2) with various inclusions) — mineral

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with various inclusions

Orange Calcite (Calcite (CaCO3)) — Mineral

Orange Calcite

Calcite (CaCO3)

Bloodstone (Heliotrope) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite) — mineral

Bloodstone (Heliotrope)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite

Quartz (Quartzite Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite Pebble)

Silicon Dioxide (SiO2)

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

Ocean Jasper

Silicon dioxide with impurities (SiO2 + impurities)

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Chrysoprase (Chalcedony (Silicon Dioxide, SiO2), flavored by Nickel) — mineral

Chrysoprase

Chalcedony (Silicon Dioxide, SiO2), flavored by Nickel

Chrysoprase (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Chrysoprase

Chalcedony (Silicon Dioxide, SiO2)

Yellow-brown jasper (likely iron-stained chert) (Microcrystalline quartz (SiO₂), varieties of chalcedony/chert colored by iron oxides) — mineral

Yellow-brown jasper (likely iron-stained chert)

Microcrystalline quartz (SiO₂), varieties of chalcedony/chert colored by iron oxides

Carnelian (Carnelian (Silicon Dioxide, SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Polished/tumbled brown jasper (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions) — mineral

Polished/tumbled brown jasper

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions

Tumbled brown tourmaline (likely dravite) (Tourmaline-group mineral; probably dravite, NaMg₃Al₆(BO₃)₃Si₆O₁₈(OH)₄) — mineral

Tumbled brown tourmaline (likely dravite)

Tourmaline-group mineral; probably dravite, NaMg₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

Raw orange garnet (likely hessonite) (Grossular garnet, Ca₃Al₂(SiO₄)₃; variety hessonite) — mineral

Raw orange garnet (likely hessonite)

Grossular garnet, Ca₃Al₂(SiO₄)₃; variety hessonite

Small polished gemstone chips, likely mixed quartz varieties (Quartz (SiO₂), possibly including smoky quartz and other varieties; exact identification is uncertain from the image) — gemstone

Small polished gemstone chips, likely mixed quartz varieties

Quartz (SiO₂), possibly including smoky quartz and other varieties; exact identification is uncertain from the image

Polished carnelian (red-orange chalcedony) (Carnelian, a cryptocrystalline variety of quartz (SiO₂), commonly colored by iron oxides) — gemstone

Polished carnelian (red-orange chalcedony)

Carnelian, a cryptocrystalline variety of quartz (SiO₂), commonly colored by iron oxides

Polished brecciated jasper (Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron-oxide and other mineral inclusions) — mineral

Polished brecciated jasper

Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron-oxide and other mineral inclusions

Chert or flint fragment (Microcrystalline quartz (SiO₂), often with chalcedony) — sedimentary

Chert or flint fragment

Microcrystalline quartz (SiO₂), often with chalcedony

Jasper and Agate (Polychrome Jasper / Mookaite variety) (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Agate (Polychrome Jasper / Mookaite variety)

Silicon dioxide (SiO2) microcrystalline quartz

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

Chert / Flint Nodule

Microcrystalline quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Jasper and Chalcedony Composite (Silicon Dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Chalcedony Composite

Silicon Dioxide (SiO2) microcrystalline quartz

Tumbled jasper (likely mookaite or brown/orange jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions) — mineral

Tumbled jasper (likely mookaite or brown/orange jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Cloudy Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Cloudy Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

Fluorite (Calcium fluoride (CaF2)) — mineral

Fluorite

Calcium fluoride (CaF2)

Smoky quartz (small rough fragment) (Quartz, SiO₂; smoky variety) — mineral

Smoky quartz (small rough fragment)

Quartz, SiO₂; smoky variety