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

Clear Quartz Cluster (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Cluster

Silicon Dioxide (SiO2)

Beach Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Beach Agate (Chalcedony)

Silicon Dioxide (SiO2)

Red Jasper (Jasper (Microcrystalline Quartz, SiO2)) — sedimentary

Red Jasper

Jasper (Microcrystalline Quartz, SiO2)

Quartz (Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (specifically Gray Chert/Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Gray Chert/Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Dalmatian Stone (Dalmatian Stone (Felsic Igneous Rock)) — igneous

Dalmatian Stone

Dalmatian Stone (Felsic Igneous Rock)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Iron-stained or Ferruginous) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained or Ferruginous)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Weathered metallic sulfide-bearing rock, possibly chalcopyrite ore (Likely chalcopyrite (CuFeS₂) in a weathered host rock; identification is uncertain from the photograph) — mineral

Weathered metallic sulfide-bearing rock, possibly chalcopyrite ore

Likely chalcopyrite (CuFeS₂) in a weathered host rock; identification is uncertain from the photograph

Serpentinite (Serpentinite (composed primarily of serpentine group minerals including antigorite, chrysotile, and lizardite)) — metamorphic

Serpentinite

Serpentinite (composed primarily of serpentine group minerals including antigorite, chrysotile, and lizardite)

Obsidian (Obsidian (Volcanic Glass, SiO2 + impurity)) — Igneous

Obsidian

Obsidian (Volcanic Glass, SiO2 + impurity)

Orange Quartz (Silicon Dioxide (SiO2)) — mineral

Orange Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz (Smoky/Grey Quartz Variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Grey Quartz Variant)

Silicon Dioxide (SiO2)

Quartz (Microcrystalline/Gravel) (Silicon Dioxide (SiO2)) — mineral

Quartz (Microcrystalline/Gravel)

Silicon Dioxide (SiO2)

Yellow jasper (likely iron-stained chert or quartzite) (Microcrystalline quartz, SiO₂, colored by iron oxides/hydroxides) — mineral

Yellow jasper (likely iron-stained chert or quartzite)

Microcrystalline quartz, SiO₂, colored by iron oxides/hydroxides

Green Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with impurities

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Common Opal (Green Opal) (Hydrated Silicon Dioxide (SiO2·nH2O)) — mineral

Common Opal (Green Opal)

Hydrated Silicon Dioxide (SiO2·nH2O)

White Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Wonderstone (Sandstone) (Liesegang Banded Sandstone (SiO2 dominated)) — sedimentary

Wonderstone (Sandstone)

Liesegang Banded Sandstone (SiO2 dominated)

Weathered quartz-rich rock, likely quartzite or quartz vein (Quartzite; predominantly quartz (SiO₂), possibly iron-oxide stained) — metamorphic

Weathered quartz-rich rock, likely quartzite or quartz vein

Quartzite; predominantly quartz (SiO₂), possibly iron-oxide stained

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Rose quartz (probable) (Quartz, SiO₂; pink coloration typically from trace inclusions or irradiation-related defects) — mineral

Rose quartz (probable)

Quartz, SiO₂; pink coloration typically from trace inclusions or irradiation-related defects

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

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

Slate with Quartz (Low-grade Metamorphic Slate with SiO2 inclusions) — metamorphic

Slate with Quartz

Low-grade Metamorphic Slate with SiO2 inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Petrified Wood (Agatized/Silicified Wood) (Silicified Wood / Chalcedony (SiO2)) — sedimentary

Petrified Wood (Agatized/Silicified Wood)

Silicified Wood / Chalcedony (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Agate Nodule (Chalcedony) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Agate Nodule (Chalcedony)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartz Geode (Silicon Dioxide (SiO2) in Geodic habit) — mineral

Quartz Geode

Silicon Dioxide (SiO2) in Geodic habit

Orange Quartz with Epidote (Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate hydroxide (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))) — mineral

Orange Quartz with Epidote

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate hydroxide (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Amygdaloidal Basalt (Amygdaloidal Basalt (extrusive volcanic rock with secondary mineral infilling)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (extrusive volcanic rock with secondary mineral infilling)

Quartz Pebble (with Iron Staining) (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (with Iron Staining)

Crystalline Silicon Dioxide (SiO2)

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

Rose Quartz

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