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.

Druzy Quartz on Host Rock (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz on Host Rock

Silicon Dioxide (SiO2)

Red Quartzite (Quartzite (primarily SiO2)) — metamorphic

Red Quartzite

Quartzite (primarily SiO2)

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

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

Quartz (Quartz (SiO₂)) — mineral

Quartz

Quartz (SiO₂)

Quartz (Iron-Stained Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained Quartz Pebble)

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Milky Quartz

Quartz (Silica / Silicon Dioxide), SiO2

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Yellow Quartz Pebble (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Green Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Green Chert

Microcrystalline Quartz (SiO2)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Chert (Jasper focus) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Jasper focus)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Green Aventurine (Aventurine Quartz (SiO2 + Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 + Fuchsite inclusions)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Jasper (Iron-stained Quartzite/Chert) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained Quartzite/Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Ferruginous Quartzite (Red Quartz) (Quartzite (SiO2 with Hematite/Iron impurities)) — metamorphic

Ferruginous Quartzite (Red Quartz)

Quartzite (SiO2 with Hematite/Iron impurities)

Azurite-Malachite (often a mixed specimen) (Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2(CO3)(OH)2. The specimen appears to be a natural mixture or intergrowth of these two minerals.) — Mineral

Azurite-Malachite (often a mixed specimen)

Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2(CO3)(OH)2. The specimen appears to be a natural mixture or intergrowth of these two minerals.

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

Chert (varietal: Jasper or Ironstone nodule) (Microcrystalline Quartz (SiO2) with iron oxides) — sedimentary

Chert (varietal: Jasper or Ironstone nodule)

Microcrystalline Quartz (SiO2) with iron oxides

Jasper (specifically Red Jasper or Iron-stained Chert) (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (specifically Red Jasper or Iron-stained Chert)

Silicon dioxide (SiO2) with iron oxide inclusions

Red Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper (Silicon dioxide (SiO2) with iron oxide and clay inclusions) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide and clay inclusions

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Agate (SiO2) — Mineral

Agate

SiO2

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Jasper Agate (specifically Brecciated Jasper with Agate inclusions) (Silicon Dioxide (SiO2)) — mineral

Jasper Agate (specifically Brecciated Jasper with Agate inclusions)

Silicon Dioxide (SiO2)

Quartzite (Pink/Red variety) (Quartzite (SiO2 with iron oxide impurities)) — metamorphic

Quartzite (Pink/Red variety)

Quartzite (SiO2 with iron oxide impurities)

Green Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Green Chert

Microcrystalline Quartz (SiO2)

Banded Agate (Mutton-fat or Pork-stone variety) (Silicon Dioxide (SiO2) with iron oxide inclusions) — Sedimentary / Mineral

Banded Agate (Mutton-fat or Pork-stone variety)

Silicon Dioxide (SiO2) with iron oxide inclusions

Sedimentary / Mineral

Basalt with Quartz/Calcite Veins (Amygdaloidal Basalt (SiO2 or CaCO3 inclusions)) — igneous

Basalt with Quartz/Calcite Veins

Amygdaloidal Basalt (SiO2 or CaCO3 inclusions)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Green Quartzite (Aventurine-like) (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Quartzite (Aventurine-like)

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Milk Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Milk Quartz (Tumbled)

Silicon Dioxide (SiO2)

Quartzite Cobble (Metamorphosed Quartz Sandstone (primarily SiO2)) — metamorphic

Quartzite Cobble

Metamorphosed Quartz Sandstone (primarily SiO2)

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

Milky Quartz (Tumbled)

Quartz (Silicon Dioxide, SiO2)