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.

Carnelian Agate (Chalcedony (Silicon Dioxide, SiO2) with Iron Oxide impurities) — mineral

Carnelian Agate

Chalcedony (Silicon Dioxide, SiO2) with Iron Oxide impurities

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Red Jasper (Silicon Dioxide with Iron Oxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide (SiO2)

Chert (Quartz Variety) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Quartz Variety)

Chert (Silicon Dioxide, SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Jasper with Agate Inclusions (Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate) — sedimentary

Jasper with Agate Inclusions

Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

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

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Banded Agate (Agate (Cryptocrystalline variety of Quartz, SiO2)) — mineral

Banded Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Pink Quartz (Rose Quartz) (Silicon Dioxide (SiO2)) — mineral

Pink Quartz (Rose Quartz)

Silicon Dioxide (SiO2)

Chalcedony (Carnelian/Agate variety) (Silicon Dioxide (SiO2) with trace hematite/iron impurities) — mineral

Chalcedony (Carnelian/Agate variety)

Silicon Dioxide (SiO2) with trace hematite/iron impurities

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

Milky Quartz (Beach Pebble)

Quartz (Silicon Dioxide, SiO2)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

Yellow Jasper with Dendritic Inclusions (Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions) — sedimentary

Yellow Jasper with Dendritic Inclusions

Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions

Chevron Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Chevron Amethyst

Silicon Dioxide (SiO2) with iron impurities

Jasper (Yellow/Brown) (Silicon Dioxide (SiO2) with impurities) — mineral

Jasper (Yellow/Brown)

Silicon Dioxide (SiO2) with impurities

Crazy Lace Agate (Chalcedony (SiO2) with microcrystalline quartz) — sedimentary

Crazy Lace Agate

Chalcedony (SiO2) with microcrystalline quartz

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper (Green) (Silicon dioxide (SiO2)) — Mineral/Sedimentary

Jasper (Green)

Silicon dioxide (SiO2)

Mineral/Sedimentary

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

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

Jasper (Red)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Epidote in Matrix (Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)) — metamorphic

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Chrysoprase (Chalcedony (cryptocrystalline quartz) with nickel inclusions; SiO2) — Mineral

Chrysoprase

Chalcedony (cryptocrystalline quartz) with nickel inclusions; SiO2

Bloodstone (Heliotrope (Chalcedony)) — mineral

Bloodstone

Heliotrope (Chalcedony)

Petrified Wood (Silicified wood (primarily Quartz/Chalcedony, SiO2)) — mineral

Petrified Wood

Silicified wood (primarily Quartz/Chalcedony, SiO2)

Dendritic Agate (River Pebble) (Silicon Dioxide (SiO2) with Manganese or Iron oxide inclusions) — mineral

Dendritic Agate (River Pebble)

Silicon Dioxide (SiO2) with Manganese or Iron oxide inclusions

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

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Carnelian Agate (with Quartz/Chalcedony) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Carnelian Agate (with Quartz/Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Agate (Thunderegg) (Silicon dioxide (SiO2)) — mineral

Agate (Thunderegg)

Silicon dioxide (SiO2)

Green Aventurine (Tumbled Quartzite) (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — metamorphic

Green Aventurine (Tumbled Quartzite)

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Moss Agate (Silicon Dioxide with inclusions (SiO2)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2)

Ferruginous Quartz Cobble (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz Cobble

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Quartzite (Yellow/Orange variety) (Quartzite (composed primarily of Silica, SiO2)) — metamorphic

Quartzite (Yellow/Orange variety)

Quartzite (composed primarily of Silica, SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)