Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
Category
Browse man made material specimens identified by the Rock Identifier community.
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Slag
Metallurgical by-product
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Chipped Glass/Plastic Fragment
Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic
Goldstone (Red)
Aventurine Glass
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Quartz
Silicon dioxide (SiO₂)
Metal Alloy (Jewelry)
Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.
Sea Glass (Teal/Turquoise)
Amorphous Silica (SiO2) with trace metal oxides
Sea Glass (Turquoise/Aqua)
Amorphous Silica (SiO2) with transition metal dopants
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various metal oxide impurities
Glazed Ceramic Tile
Fused Silicate-Clay composite
N/A - Non-Geological Item
Opalite
Synthetic glass / Opalized glass
Metal Chain Belt with Square Plates
Not applicable (man-made)
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
Sea Glass
Man-made vitreous material
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
Goldstone
Aventurine Glass (Man-made)
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Not a geological specimen
N/A (man-made object)
Ring with an Orange Inlay
N/A (Man-made object)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Asphalt (Road Aggregate)
Bituminous conglomerate
Asphalt Concrete
Bituminous conglomerate
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Opalite
Synthetic Opalized Glass
Slag
Glassy silicate byproduct (anthropogenic material)