Quartz Nut
SiO2 (Silicon Dioxide)
mineral health
Category
Sedimentary (Alluvial Deposit)
Browse sedimentary (alluvial deposit) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Alluvial Deposit) in the encyclopedia
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Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold and Cubic Zirconia (San Judas Tadeo Pendant)
Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)
mineral
Diamond
Carbon (C)
mineral
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Gold Nugget
Native Gold (Au)
Mineral
Blue Sapphire
Corundum (Al2O3 with Cr, Fe, and Ti trace elements)
gemstone
Gold Nugget
Native Gold (Au)
mineral
Cat's Eye Chrysoberyl
Chrysoberyl (BeAl2O4)
mineral
Gold Nugget
Native Gold (Au)
mineral
White Sapphire
Corundum (Al2O3)
mineral
Gold Nugget
Native Gold (Au)
mineral
Native Gold (in the form of jewelry)
Gold (Au)
mineral
Gold Flake
Native Gold (Au)
mineral
White Sapphire
Corundum (Al2O3)
mineral
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (Siliceous Sedimentary Rock)
sedimentary
Diamond (likely facet or crystal shard)
Diamond (C)
mineral
Natural Diamond (Faceted)
Diamond (pure carbon crystal, C)
mineral
Quartzite Pebble
Quartzite (mostly SiO2)
metamorphic
Quartz (specifically Citrine or Yellow Quartz)
Silicon Dioxide (SiO2)
mineral
Pink Diamond
Carbon (C)
mineral
Diamond
Carbon (C)
mineral
Gold and Silver (Metal Components of an Antique Pocket Watch)
Native Gold (Au) and Native Silver (Ag)
mineral
Chalcedony Agate Geode / Nodule
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz with Tourmaline or Amphibole
Silicon Dioxide with silicate inclusions (SiO2)
mineral
Diamond (in Jewelry)
Diamond (Carbon, C)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Diamond (in a gold ring)
Diamond (pure carbon, C)
mineral
Diamond
Natural Diamond (Carbon, C)
mineral
Diamond
Native Carbon (C)
mineral
Quartz vein fragments on Sandstone cobble
SiO2 (Silicon Dioxide)
mineral
Water-worn sandstone pebble
Quartz-rich sandstone (likely arkosic or ferruginous sandstone)
sedimentary
River Cobble (Quartzite or Weathered Sandstone)
Arenite / Metasandstone (SiO2)
sedimentary
Quartzite river stone
Quartzite (SiO2)
metamorphic
Conglomerate
Polymictic clast-supported conglomerate, likely carbonate-rich
sedimentary
Jasper
Silicon Dioxide (SiO2)
sedimentary
Gold Nugget
Native Gold (Au)
mineral
Arkosic Sandstone
Arkose (Clastic Sedimentary Rock)
sedimentary
Conglomerate
Clastic sedimentary rock (Conglomerate)
sedimentary