Jasper Pebble
Microcrystalline Quartz (SiO2)
Category
Browse man made object (metalwork) specimens identified by the Rock Identifier community.
Jasper Pebble
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline quartz ($SiO_2$)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Basalt Pebble (Shaped)
Extrusive Igneous Rock
Jasper
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Agate Nodule
Chalcedony (SiO2)
Agate Nodule
Silicon dioxide (Chalcedony/Quartz), SiO2
Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Nephrite Jade
Tremolite-Actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)
Graphic Granite (or Pegmatite)
Graphic Granite
Labradorite rough fragment
(Ca,Na)[Al,Si]A̲₁O₈
Snowflake Obsidian
Obsidian with Cristobalite inclusions
Engineered Quartz (Quartzite look-alike)
Silicon Dioxide (SiO2) composite
Smoky Quartz
Smoky Quartz (SiO2)
Coquina
Biogenic Limestone (Coquina)
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
Vesicular Basalt (or Scoria)
Vesicular Basalt
Obsidian
Obsidian (volcanic glass)
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
Belemnoit (Fossil)
Belemnoidea (Order), Rostrum / Guard
Granite
Phaneritic Plutonic Felsic Rock
Granite
Granite (Phaneritic igneous rock)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
Diamond
Cubic carbon (C)
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
Blue Sea Glass
Amorphous Silica (Anthropogenic glass)
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)