Rock Identifier

Category

Mineral (Or Mineraloid If Microcrystalline)

Browse mineral (or mineraloid if microcrystalline) specimens identified by the Rock Identifier community.

Blue Lace Agate (Chalcedony (SiO2) with trace minerals) — mineral

Blue Lace Agate

Chalcedony (SiO2) with trace minerals

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Carnelian (Cryptocrystalline Quartz (SiO2 with iron oxide impurities)) — mineral

Carnelian

Cryptocrystalline Quartz (SiO2 with iron oxide impurities)

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

Carnelian Agate

Silicon Dioxide with Iron Oxide impurities (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Bloodstone (Heliotrope) (Silicon Dioxide (SiO2) with inclusions of Iron Oxide) — mineral

Bloodstone (Heliotrope)

Silicon Dioxide (SiO2) with inclusions of Iron Oxide

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian (Flame Polished) (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian (Flame Polished)

Carnelian (SiO2 with Iron Oxide impurities)

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

Carnelian

Chalcedony (Silicon Dioxide, SiO2 with Iron Oxide impurities)

Carnelian (Carnelian (Silicon Dioxide: SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide: SiO2)

Banded Agate (Gray/Blue Agate) (Agate (Silicon Dioxide, SiO2)) — mineral

Banded Agate (Gray/Blue Agate)

Agate (Silicon Dioxide, SiO2)

Blue Lace Agate (Banded Chalcedony) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Blue Lace Agate (Banded Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian (SiO2 (Silicon Dioxide) - Translucent reddish-brown variety of Chalcedony) — mineral

Carnelian

SiO2 (Silicon Dioxide) - Translucent reddish-brown variety of Chalcedony

Green Chalcedony (likely Chrysoprase or dyed Green Agate) (Silicon Dioxide (SiO2) with nickel impurities or chromium/dye) — mineral

Green Chalcedony (likely Chrysoprase or dyed Green Agate)

Silicon Dioxide (SiO2) with nickel impurities or chromium/dye

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

White Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

White Chalcedony (Agate)

Silicon Dioxide (SiO2)

Agate (Silicon dioxide (SiO2)) — mineral

Agate

Silicon dioxide (SiO2)

Carnelian (Cryptocrystalline Quartz (SiO2)) — mineral

Carnelian

Cryptocrystalline Quartz (SiO2)

Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Agate

Cryptocrystalline Quartz (SiO2)

Yellow Jasper (Silicon Dioxide with iron inclusions (SiO2)) — mineral

Yellow Jasper

Silicon Dioxide with iron inclusions (SiO2)

Carnelian (Carnelian (SiO2 - Silicon Dioxide)) — mineral

Carnelian

Carnelian (SiO2 - Silicon Dioxide)

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Yellow Agate / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Agate / Chalcedony

Silicon Dioxide (SiO2)

Orbicular Jasper (Silicon Dioxide (SiO2), variety of Chalcedony) — Mineral

Orbicular Jasper

Silicon Dioxide (SiO2), variety of Chalcedony

Purple Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Purple Banded Agate

Cryptocrystalline Quartz (SiO2)

Flower Agate (Chalcedony (Silicon Dioxide) with Plume Inclusions, SiO2) — mineral

Flower Agate

Chalcedony (Silicon Dioxide) with Plume Inclusions, SiO2

Red Aventurine (Strawberry Quartz) (Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite) — Mineral

Red Aventurine (Strawberry Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

Red Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Blue Lace Agate (Variety of Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Blue Lace Agate (Variety of Chalcedony)

Silicon Dioxide (SiO2)

Carnelian (Carnelian Chalcedony (SiO2 with Iron Oxide impurities)) — mineral

Carnelian

Carnelian Chalcedony (SiO2 with Iron Oxide impurities)

Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Blue Agate (Tumbled and Dyed) (Silicon Dioxide (SiO2) with likely organic dyes) — mineral

Blue Agate (Tumbled and Dyed)

Silicon Dioxide (SiO2) with likely organic dyes

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

White Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — Mineral

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Agate (specifically Oco or Banded Agate) (Agate (a variety of Chalcedony), SiO2 (Silicon Dioxide)) — mineral

Agate (specifically Oco or Banded Agate)

Agate (a variety of Chalcedony), SiO2 (Silicon Dioxide)

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

Quartz Geode Pebble

Silicon Dioxide (SiO2)

Chalcedony (Common Opal variant or Quartz) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Common Opal variant or Quartz)

Silicon Dioxide (SiO2)

Agatized Petrified Wood (Silicon Dioxide (SiO2) - Chalcedony pseudomorph after Wood) — metamorphic

Agatized Petrified Wood

Silicon Dioxide (SiO2) - Chalcedony pseudomorph after Wood

Kambaba Jasper (Stromatolite / Fossilized Algae (Rhyolitic structure)) — sedimentary

Kambaba Jasper

Stromatolite / Fossilized Algae (Rhyolitic structure)