Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
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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Sea Glass
Man-made silicate glass
gemstone
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
industrial byproduct (anthropogenic material)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Opalite
Synthetic Opalite (Man-made glass)
mineral
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid
Dyed Blue Agate (Dragon Vein Agate)
Silicon Dioxide (SiO2) with artificial cobalt/organic dyes
mineral
Opalite
Man-made opalescent glass
gemstone
Jasper Agate
Silicon dioxide (SiO2)
mineral
White quartz pebble
Quartz (SiO₂), likely milky quartz
mineral
Opalite
Synthetic Opalised Glass
mineral
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Blue Obsidian
Volcanic Glass (SiO2 with inclusions)
igneous
N/A - Non-Geological Item
not a rock/mineral
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Sea Glass
Silicon dioxide (mostly)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
mineraloid
Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Opalite
Synthetic Glass (Silica-based)
gemstone
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Man-made object (Simulant)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Opalite
Synthetic Glass (Simulated Opal)
mineral
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Synthetic Glass (Often categorized as a simulated mineral)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
mineraloid (synthetic)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Mineraloid (Man-made)
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Concrete
Anthropogenic Conglomerate
sedimentary
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral