Rock Identifier

Category

Man Made Glass (Often Grouped With Minerals In Lapidary)

Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.

Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia

Opalite

Goldstone

Euxenite

Blue Goldstone

Serpentinite

Serpentine

Potassium Feldspar

Potassium Feldspar

Pink Lady Obsidian

Pele's Tears

Electric Blue Obsidian

Red Obsidian

Black Shale

Chert Nodules (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodules

Microcrystalline Quartz (SiO2)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Rose Quartz (Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Serpentine (Serpentine Group Minerals (e.g., Antigorite, Chrysotile, Lizardite)) — Mineral, often found as a rock

Serpentine

Serpentine Group Minerals (e.g., Antigorite, Chrysotile, Lizardite)

Mineral, often found as a rock

Dalmation Jasper (Perthitic Feldspar with Arfvedsonite inclusions) — igneous

Dalmation Jasper

Perthitic Feldspar with Arfvedsonite inclusions

Smoky Quartz / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz / Chalcedony

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.) (Silica minerals (primarily SiO2)) — mineral

Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.)

Silica minerals (primarily SiO2)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Chert (or possibly Flint) (SiO2 (Silicon Dioxide)) — Sedimentary Rock

Chert (or possibly Flint)

SiO2 (Silicon Dioxide)

Sedimentary Rock

Quartz with Iron Staining (Silicon Dioxide (SiO2) with Goethite/Limonite inclusions) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix) — metamorphic

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

River Cobble (likely Basalt or Metagraywacke) (Non-specific water-worn lithic fragment) — igneous or metamorphic

River Cobble (likely Basalt or Metagraywacke)

Non-specific water-worn lithic fragment

igneous or metamorphic

Quartz with Iron Oxide Inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Oxide Inclusions

Silicon Dioxide (SiO2)

Quartz pebble (SiO2) — mineral

Quartz pebble

SiO2

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Granite (Granite (phaneritic felsic intrusive rock)) — igneous

Granite

Granite (phaneritic felsic intrusive rock)

Quartz with Mica inclusions (likely Iron-stained) (Silicon Dioxide (SiO2) with Phyllosilicates) — mineral

Quartz with Mica inclusions (likely Iron-stained)

Silicon Dioxide (SiO2) with Phyllosilicates

Tumbled serpentine (Serpentinite; chiefly serpentine-group minerals, Mg3Si2O5(OH)4) — metamorphic

Tumbled serpentine

Serpentinite; chiefly serpentine-group minerals, Mg3Si2O5(OH)4

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Greenstone (likely serpentinite or greenstone pebble) (Serpentinite-rich ultramafic rock; commonly dominated by serpentine-group minerals, with possible chlorite, actinolite, or magnetite) — metamorphic

Greenstone (likely serpentinite or greenstone pebble)

Serpentinite-rich ultramafic rock; commonly dominated by serpentine-group minerals, with possible chlorite, actinolite, or magnetite

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Polished Quartz Sphere (Silicon Dioxide (SiO2)) — mineral

Polished Quartz Sphere

Silicon Dioxide (SiO2)

Quartz (Iron-stained River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained River Pebble)

Silicon Dioxide (SiO2)

Amazonite (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Serpentine (Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)) — metamorphic

Serpentine

Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)

Chert (varietal Jasper or Mudstone Flint) (Silicon dioxide (SiO2) with impurities) — sedimentary

Chert (varietal Jasper or Mudstone Flint)

Silicon dioxide (SiO2) with impurities

Tumbled milky quartz (Quartz, SiO₂) — mineral

Tumbled milky quartz

Quartz, SiO₂

Quartz Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Fragment

Silicon Dioxide (SiO2)

Obsidian (Volcanic Glass (predominantly SiO2)) — igneous

Obsidian

Volcanic Glass (predominantly SiO2)

Jasper with Epidote (Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate Hydrate) — sedimentary

Jasper with Epidote

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate Hydrate

Basalt with Epidote (Greenstone) (Amygdaloidal Basalt (Ca2(Al, Fe)3(SiO4)3(OH) inclusions)) — igneous

Basalt with Epidote (Greenstone)

Amygdaloidal Basalt (Ca2(Al, Fe)3(SiO4)3(OH) inclusions)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)