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.

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Quartz / Common Opal (Silicon Dioxide (SiO2)) — mineral

Quartz / Common Opal

Silicon Dioxide (SiO2)

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

Chert (Jasper)

Silicon dioxide (SiO2) with impurities

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Obsidian (Obsidian (volcanic glass)) — Igneous

Obsidian

Obsidian (volcanic glass)

Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Quartz (Crystal Point/Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Crystal Point/Fragment)

Silicon Dioxide (SiO2)

White Quartz with Black Tourmaline (Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)) — mineral

White Quartz with Black Tourmaline

Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)

Petrified Wood (Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Quartz Crystal with Inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal with Inclusions

Silicon Dioxide (SiO2)

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Greenstone / Diabase Porphyry (Porphyritic Diabase (Micro-gabbro)) — Igneous

Greenstone / Diabase Porphyry

Porphyritic Diabase (Micro-gabbro)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)) — mineral

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Septarian Nodule (Dragon Stone) (Carbonate concretion (Calcite and Aragonite in Limestone/Clay)) — sedimentary

Septarian Nodule (Dragon Stone)

Carbonate concretion (Calcite and Aragonite in Limestone/Clay)

Synthetic Costume Accessory (Non-Geological) (Polyester and Acrylic Fiber (Anthropogenic polymer)) — Synthetic / Man-made textile

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)

Synthetic / Man-made textile

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

Jasper Breccia

Silicon Dioxide (SiO2) with impurities

Red Howlite (Dyed) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye) — mineral

Red Howlite (Dyed)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye

Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony) (Epidote with Black Hornblende and White Quartz mixture) — metamorphic

Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)

Epidote with Black Hornblende and White Quartz mixture

Garnet (Almandine/Pyrope) (Silicate Mineral (Group: X3Y2(SiO4)3 where X=Mg, Fe, Mn and Y=Al, Fe, Cr)) — mineral

Garnet (Almandine/Pyrope)

Silicate Mineral (Group: X3Y2(SiO4)3 where X=Mg, Fe, Mn and Y=Al, Fe, Cr)

Green Aventurine in Host Rock (SiO2 (Quartz with Fuchsite inclusions)) — mineral

Green Aventurine in Host Rock

SiO2 (Quartz with Fuchsite inclusions)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

River Pebble (likely Quartzite or Quartz) (Quartzite (SiO2)) — metamorphic

River Pebble (likely Quartzite or Quartz)

Quartzite (SiO2)

Amethyst (Tumbled Quarz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Tumbled Quarz)

Silicon Dioxide (SiO2) with iron impurities

Rose Quartz with Girasol Effect (Silicon Dioxide (SiO2)) — mineral

Rose Quartz with Girasol Effect

Silicon Dioxide (SiO2)

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

Chert (Green variety)

Microcrystalline Quartz (SiO2)

Jasper (Cryptocrystalline quartz (SiO2)) — Sedimentary/Mineral

Jasper

Cryptocrystalline quartz (SiO2)

Sedimentary/Mineral

Amethyst (Silicon Dioxide (SiO2) with Fe3+ impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with Fe3+ impurities

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chalcedony (Common Opal or Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Common Opal or Agate)

Silicon Dioxide (SiO2)

Fossilized Coral (Favosites) (Favosites goldfussi / Tabulata) — sedimentary

Fossilized Coral (Favosites)

Favosites goldfussi / Tabulata

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)