Gold-Bearing Quartz Ore
Crystalline Silicon Dioxide (SiO2) with Trace Aurum (Au)
Category
Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.
Gold-Bearing Quartz Ore
Crystalline Silicon Dioxide (SiO2) with Trace Aurum (Au)
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite (SiO2 + Fe2O3)
Orange Quartz / Peach Aventurine
Silicon Dioxide (SiO2)
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Emerald
Beryl (Be3Al2(SiO3)6)
Dendritic Agate or Moss Agate Nodules (Septarian-like)
Chalcedony with mineral inclusions (SiO2)
Quartzite Pebble
Quartzite (SiO2) with mineral inclusions
Basalt
Mafic Extrusive Igneous Rock
Quartz Vein / Quartz Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite Inclusion
Tumbled quartz-rich stone (likely milky quartz/quartzite)
Quartz (SiO₂), possibly quartzite with minor iron-oxide staining
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
Emerald
Beryl (Be3Al2Si6O18 with chromium and vanadium impurities)
Morganite (Pink Beryl)
Beryllium aluminum silicate Be3Al2(SiO3)6
Native Gold (in the form of jewelry)
Gold (Au)
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Sapphire Rough (Corundum)
Corundum (Aluminum Oxide, Al2O3)
Milky Quartz
Quartz (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Poppy Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Calcium Fluorophosphate (Ca5(PO4)3F)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Quartz pebble with iron inclusion
Silicon Dioxide (SiO2)
Quartzite with inclusions
Quartzite (primarily SiO2)
Basalt with Quartz Vein
Basalt with silicon dioxide (SiO2) inclusion
Red Aventurine (Strawberry Quartz / Sunstone Quartz)
Silicon Dioxide with Hematite/Goethite inclusions (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sapphire
Corundum (Al2O3)