Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)
Category
Browse organic (if resin) or synthetic (if glass); simulating sedimentary or metamorphic (for natural stones) specimens identified by the Rock Identifier community.
Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon Dioxide (SiO₂)
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite mica
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Citrine Quartz
Silicon Dioxide (SiO2)
Smoky Quartz (Tumbled)
Smoky Quartz (Silicon Dioxide - SiO2)
Green Quartz (Prasiolite/Adventurine/Jasper)
Silicon Dioxide (SiO2)
Citrine
Quartz (Silicon Dioxide - SiO2)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Fossilized Tree Resin (Succinite); Approximate formula: C10H16O
Black Tourmaline (Schorl)
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Rough Green Adventurine
Aventurine (Variety of Quartz, SiO2)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
Peach Aventurine
Quartz variety (SiO2 + Hematite/Goethite inclusions)
Green Aventurine
Silicon Dioxide (SiO2) with Fuscite inclusions
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Green Jasper
Jasper (Silicates, SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
River Quartzite (River Stone)
Quartzite (primarily SiO2)
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide (SiO2) with inclusions
Citrine
Citrine (Silicon Dioxide, SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Aventurine
Aventurine Quartz (SiO2 with inclusions)
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide - SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Green Aventurine
SiO2 (Silicon Dioxide) with Fuchsite inclusions
Mixed Quartz and Jasper Pebbles
Silicon Dioxide (SiO2)
Citrine
SiO2 (Silicon Dioxide)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)