Massive Quartz
Silicon dioxide (SiO2)
mineral
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia
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Chert (often called Flint or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Red Quartzite
Tectonically compressed Quartz-rich rock (SiO2)
metamorphic
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Yellow Aventurine (Tumbled)
Silicon Dioxide (SiO2) with inclusions
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Quartzite with Iron Inclusions
Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)
metamorphic
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Amygdaloidal Basalt with Agate/Zeolite Amygdules
Basalt (extrusive igneous rock) containing secondary mineral fillings
igneous
Serpentine Jade (New Jade/Olive Jade)
Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite
Mineral
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (also known as Flint or Common Chalcedony)
Cryptocrystalline Silica (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Ruby in Zoisite
Anyolite (Zoisite with Corundum) Member of the Epidote Group
metamorphic
Quartz / Quartzite
Quartz (Silicon Dioxide, SiO2)
metamorphic
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
mineral
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Mineral
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
metamorphic (man-made/anthropogenic)
Chert (Smoky Variety)
Microcrystalline Quartz (SiO2)
sedimentary
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz Vein Rock
Silicon dioxide (SiO2) within a host rock matrix
mineral
Green Quartzite
Quartzite (SiO2)
metamorphic
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
igneous
Amethyst (Tumbled Cabinet Stone)
Silicon Dioxide (SiO2) with iron impurities
mineral
Jasper Pendant
Silicon dioxide (SiO2) with impurities
Mineral/Sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Golden Healer Quartz
Ferruginous Quartz (SiO2 with Fe2O3 inclusions)
mineral
Chert (and Jasper/Flint variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Quartz with Mica/Host Rock
Silicon Dioxide (SiO2) with Phyllosilicates
mineral
Black Star Diopside (beads)
Diopside (CaMgSi2O6) - a member of the pyroxene group
Mineral
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (River/Beach Quartz)
Silicon Dioxide (SiO2)
mineral
Botryoidal Chalcedony (Desert Rose Agate)
Silicon Dioxide (SiO2)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Eroded Brick or Pumice-like Scoria
Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)
igneous
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral