Rough Diamond
Natural Diamond (Carbon, C)
mineral
Category
Mineral Like Byproduct
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct in the encyclopedia
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Diamond (in jewelry setting)
Diamond (C - Pure Carbon)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
mineral
Conglomerate
Clastic sedimentary rock (Conglomerate)
sedimentary
Sandstone (Quartzose Sandstone / Feldspathic Sandstone)
SiO2 with minor impurities (Fe2O3, KAlSi3O8)
sedimentary
Sandstone
Sedimentary rock composed mainly of sand-sized minerals or rock grains
sedimentary
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
sedimentary or metamorphic
Petrified Wood
Silicified Wood (primarily SiO2)
fossil
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
sedimentary
Chrysanthemum Stone
Limestone with Celestite or Andalusite inclusions
sedimentary
Epidote and Quartz in Basalt Porpohyry
Epidote bearing Porphyritic Basalt with Quartz Veins
igneous
Quartzite with inclusions
Metamorphic Rock (Mainly SiO2)
metamorphic
Olivine (Peridot)
(Mg,Fe)2SiO4
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Limonite (Goethite/Ironstone)
Hydrated iron oxide-hydroxide, approximately FeO(OH)·nH2O
mineral
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
Igneous
Gneiss
Gneiss
metamorphic
Titanium Amethyst Geode
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Howlite
Howlite (Calcium Borosilicate Hydroxide: Ca2B5SiO9(OH)5)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz (Rutilated)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Green Aventurine
SiO2 (Silicon Dioxide) with Fuchsite inclusions
mineral
Vesicular Basalt with Calcification
Vesicular Basalt (Aphanitic extrusive igneous rock)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Gneiss
Metamorphic Foliated Gneiss
metamorphic
Jasper (Multi-color Chert)
Silicon Dioxide (SiO2) with impurities
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Porphyritic Basalt or Andesite
Igneous rock with porphyritic texture
igneous
Greenstone Pebble
Metabasalt / Greenstone
metamorphic
Limestone with Calcite Veining
Sedimentary Carbonate Rock (CaCO3)
sedimentary
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
igneous
Serpentinite
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Yellow Quartzite (River Pebble)
Quartzite (mainly SiO2 with iron oxide impurities)
metamorphic
Orbicular Jasper (Ocean Jasper or Poppy Jasper variant)
Silicon Dioxide (SiO2) with various inclusions
sedimentary