Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Mineral
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Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Eudialyte in Matrix
Na15Ca6Fe3Zr3Si26O72(OH,Cl,H2O)3
mineral
Black Sapphire
Corundum (Al2O3 with inclusions of hematite or ilmenite)
mineral
Orbicular Granite
Orbicular Granidiorite / Plutonic Igneous Rock
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Red Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Amygdaloidal Basalt
Basalt with secondary mineral infillings (SiO2, (Ca,Na)2-3(Mg,Fe,Al)5Si8O22(OH)2)
igneous
Granite
Intrusive igneous felsic rock
igneous
Pink Granite
Granite (Felsic intrusive igneous rock)
igneous
Gneiss
Gneiss (High-grade regional metamorphic rock)
Metamorphic
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sapphire Rough (Corundum)
Corundum (Aluminum Oxide, Al2O3)
mineral
Amethyst (Quartz)
Silicon Dioxide (SiO2)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Quartz Mix and Feldspar Group
Silicon Dioxide (SiO2) and Potassium Alumino-silicates (KAlSi3O8)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Faceted Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
gemstone
Granite
Phaneritic Plutonic Felsic Rock
igneous
Greenstone
Metabasalt / Greenstone
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Graphic Granite
Pegmatite (Quartz and Alkali Feldspar intergrowth)
igneous
Vesicular Basalt with Siltstone
Mafic Volcanic Rock (Basaltic Composition)
igneous
Snowflake Obsidian
Spherulitic Obsidian (primarily SiO2 with Cristobalite inclusions)
igneous
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
igneous
Clear Quartz
Silicon dioxide (SiO2)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar) / (Ca,Na)(Al,Si)4O8
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milk Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite Pebble
Granite (plutonic felsic intrusive rock)
igneous
Granite
Phaneritic Intrusive Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Pegmatitic Granite
Granite (Alkali-feldspar granite) with Quartz and Orthoclase
igneous
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Orange Quartz (or Citrine Quartz)
Silicon Dioxide (SiO2)
mineral