Strawberry Quartz and Rose Quartz
Silicon Dioxide (SiO2) with inclusions
Category
Browse this appears to be a man made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen. specimens identified by the Rock Identifier community.
Strawberry Quartz and Rose Quartz
Silicon Dioxide (SiO2) with inclusions
Carnelian Agate
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Citrine
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Banded Iron Formation (Jaspillite)
Banded Iron Formation (BIF) / Jaspillite
Sunstone
Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide (SiO2) with inclusions
Agate
Banded Chalcedony (SiO2)
Rough Diamond
Diamond (pure carbon, C)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Diamond (Lesedi La Rona specimen)
Diamond (Pure Carbon, C)
Diamond (in jewelry setting)
Diamond (C - Pure Carbon)
Rose Quartz
SiO2 (Silicon Dioxide)
Agate
Silicon dioxide (SiO2) - variety Chalcedony
Yellow Quartz
SiO2 (Silicon Dioxide)
Dyed Howlite
Borosilicate hydroxide (Ca2B5SiO9(OH)5)
Banded Iron Formation (Jaspillite)
Banded Iron Formation (BIF)
Gold Nugget
Native Gold (Au)
Citrine Quartz
Silicon Dioxide (SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Citrine Quartz
Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Smoky Quartz
Silicon Dioxide (SiO2)
Ironstone Concretion
Siderite or Hematite Concretion
Yellow Quartz (Citrine or Yellow Chalcedony)
Silicon Dioxide (SiO2)
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions (NaFe3Al6(BO3)3Si6O18(OH)4)
Citrine Quartz
Crystalline Silicon Dioxide (SiO2) with iron impurities
Silicon Carbide (Carborundum)
Moissanite (SiC)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Amazonite
Amazonite (KAlSi3O8)
Amethyst with Quartz Vein
SiO2 (Silicon Dioxide)
Citrine Quartz Crystal Cluster
Silicon Dioxide (SiO2) with iron impurities
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Smoky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8