Sedimentary Or Igneous Associated Mineral

Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.

Yellow Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Blue Chalcedony

Microcrystalline Quartz (SiO2)

mineral

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Pyrite (on the right) and Magnetite or Hematite (on the left)

Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)

mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

mineral

Carnelian Agate

Carnelian (Silicon Dioxide - SiO2)

mineral

Calcite

Calcium Carbonate (CaCO3)

mineral

Gneiss

High-grade Metamorphic Gneiss

metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

metamorphic

Jade (likely Nephrite or Jadeite)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Metamorphic rock (for Nephrite and some Jadeite); Mineral (for Jadeite)

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Quartz (Silica - SiO2)

mineral

Gold-Bearing Quartz

Auriferous Quartz (SiO2 with native Au)

Mineral

Lapis Lazuli

Lapis Lazuli (a rock type, not a single mineral, composed primarily of lazurite, calcite, and pyrite)

Mineral, part of a rock

Chrysocolla in Quartz (Gem Silica)

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)

mineral

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3

Mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Biotite (Black Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH)2)

mineral

Banded Agate (Jasper-Agate)

Silicon Dioxide (SiO₂)

Mineral

Quartz (Milky/Common variant)

Silicon Dioxide (SiO2)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Carnelian Agate

Chalcedony (SiO2) with iron oxide inclusions

mineral

Magnetite / Ironstone

Magnetite (Fe3O4)

mineral

Sandstone with Liesegang Rings

Arenite with Iron Oxide Liesegang Banding

sedimentary

Pyrite

Iron Disulfide (FeS2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Orange Calcite

Calcium Carbonate (CaCO3)

mineral

Bouncy Ball (Synthetic Rubber Polymer)

Polybutadiene / Ethylene Vinyl Acetate (EVA)

Synthetic material (Not a rock or mineral)

Gneiss (specifically a water-worn pebble)

Gneiss

metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic

Green Agate

Silicon dioxide (SiO₂)

mineral

Wonderstone

Rhyolite (Silicon Dioxide with Iron Oxide impurities)

igneous

Pyrite

Iron Sulfide (FeS2)

mineral

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

mineral