Smoky Quartz occurring with Feldspar
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
mineral
Category
Igneous
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Magnetite or Hematite-rich Ore
Magnetite (Fe3O4) or Hematite (Fe2O3)
mineral
Greenstone
Chlorite schist or metabasalt depending on specific composition
Metamorphic
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amazonite
K(AlSi3O8) - Microcline
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (SiO2)
mineral
Sapphire (Rough Corundum)
Corundum (Aluminum Oxide, Al2O3)
mineral
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Sunstone
Oligoclase (Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8 with Hematite or Copper inclusions
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Potassium Feldspar (KAlSi3O8) with lead impurities
mineral
Carnelian (Red Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide impurities)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Crystal Point
Silicon Dioxide (SiO2)
mineral
Gold Mineral
Native Gold (Au)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral