Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
Pyrulite (Pyrite / Chalcopyrite)
Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)
Fluorite
Calcium Fluoride (CaF2)
Fluorite with Quartz coating
Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
Gold Mineral
Native Gold (Au)
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Fluorite
Calcium Fluoride (CaF2)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Native Gold
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
Fluorite
Calcium fluoride (CaF2)
Amethyst with Marcasite accents
Amethyst (Silicon Dioxide SiO2) and Marcasite (Iron Sulfide FeS2)
Pyrite
Iron Sulfide (FeS2)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Agate (specifically a small Chalcedony nodule)
Agate (Cryptocrystalline variety of Quartz, SiO2)
Chalcedony (Common Opal or Agate variant)
Silicon Dioxide (SiO₂)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Opal
Hydrated Silica (SiO2·nH2O)
Gneiss
Gneiss
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Yellow Chalcedony (common opal or chert variant)
Silicon Dioxide (SiO2)
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gneiss (specifically Banded Gneiss)
Gneiss
Fluorite
Calcium Fluoride (CaF2)
Gneiss
Gneiss (High-grade metamorphic rock)
Chalcedony (Yellow Agate)
Cryptocrystalline Quartz (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Pyrite
Iron Sulfide (FeS2)
Dalmatian Stone
Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)
Black Sand (Magnetite Sand)
Magnetite-rich Placers (Fe3O4)
Dalmatian Stone
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite