Rock Identifier

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Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

sedimentary
Micro-crystalline Quartz Pebble (Chert) (Silicon dioxide (SiO2)) — sedimentary

Micro-crystalline Quartz Pebble (Chert)

Silicon dioxide (SiO2)

sedimentary
Pink Pearl (Calcium Carbonate (Aragonite/Calcite) with Conchiolin (CaCO3)) — mineral

Pink Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin (CaCO3)

mineral
Green Moss Agate (Agate (Silicon Dioxide, SiO2) with inclusions of hornblende or chlorite) — mineral

Green Moss Agate

Agate (Silicon Dioxide, SiO2) with inclusions of hornblende or chlorite

mineral
Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

mineral
Hag Stone (Piddock bored rock) (Calcareous sedimentary rock featuring Pholadidae borings) — sedimentary

Hag Stone (Piddock bored rock)

Calcareous sedimentary rock featuring Pholadidae borings

sedimentary
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Tiger's Eye (Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2) — Mineral

Tiger's Eye

Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2

Mineral
Vesicular Basalt (Lava Rock) (Basalt with vesicular texture) — igneous

Vesicular Basalt (Lava Rock)

Basalt with vesicular texture

igneous
Amethyst (Quartz (Silicon Dioxide with iron impurities), SiO2) — mineral

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

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

Chert (Jasper)

Silicon Dioxide (SiO2)

sedimentary
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass) (Silicon Dioxide (SiO2) with metallic inclusions) — man-made material

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

man-made material
Quartzite and Chert (Silicon Dioxide (SiO2)) — metamorphic and sedimentary

Quartzite and Chert

Silicon Dioxide (SiO2)

metamorphic and sedimentary
Quartz (Gravel Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Gravel Pebble)

Silicon Dioxide (SiO2)

mineral
Quartz (Milky to Clear) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky to Clear)

Silicon Dioxide (SiO2)

mineral
Tiger's Eye (SiO2 (Pseudomorph of Quartz after Crocidolite)) — metamorphic

Tiger's Eye

SiO2 (Pseudomorph of Quartz after Crocidolite)

metamorphic
Chert Pebble (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Pebble

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Quartz on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz on Matrix

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Amethyst (Silicon dioxide / Quartz (SiO2+Fe4+)) — mineral

Amethyst

Silicon dioxide / Quartz (SiO2+Fe4+)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

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

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Amber (Copal) (Succinite (fossilized tree resin)) — mineral

Amber (Copal)

Succinite (fossilized tree resin)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

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

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

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

Amethyst

Amethyst (Silicon Dioxide - SiO2 with iron impurities)

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

Amethyst (Cabochon)

Silicon Dioxide (SiO2) with iron impurities

mineral
Chevron Amethyst (SiO2 (Quartz with Manganese/Iron impurities)) — mineral

Chevron Amethyst

SiO2 (Quartz with Manganese/Iron impurities)

mineral
Red Jasper (Amygdaloidal Basalt with Agate) (Silicon dioxide (SiO2) in Basalt host) — igneous

Red Jasper (Amygdaloidal Basalt with Agate)

Silicon dioxide (SiO2) in Basalt host

igneous
Chert (Nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Quartz (SiO2)

sedimentary
Vesicular Basalt (Basalt) — igneous

Vesicular Basalt

Basalt

igneous
Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

sedimentary
Quartz pebble (Silicon Dioxide (SiO2)) — mineral

Quartz pebble

Silicon Dioxide (SiO2)

mineral
Chrysocolla in Matrix (Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla in Matrix

Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O

mineral
Herkimer Diamond (Quartz Crystal) (Silicon Dioxide (SiO2)) — mineral

Herkimer Diamond (Quartz Crystal)

Silicon Dioxide (SiO2)

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

Smoky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (possibly Citrine or Smoky Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (possibly Citrine or Smoky Quartz variety)

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

mineral