Citrine
Silicon Dioxide (SiO2) with iron impurities
Mineral
Category
Mineral (Extraterrestrial)
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Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide - SiO2 with impurities of iron)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Calcite in Matrix
Calcium Carbonate (CaCO3) on Sedimentary Host Rock
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Goethite)
mineral
Jasper (specifically Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Labradorite
Labradorite (Plagioclase Feldspar Series: (Ca,Na)(Al,Si)4O8)
mineral
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Schorl (Black Tourmaline) in Quartz/Feldspar Matrix
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Poppy Jasper
Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions
sedimentary
Nuummite
Nuummite (mixture of Anthophyllite and Gedrite)
metamorphic
Chevron Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)
metamorphic
Herkimer Diamond
Quartz (SiO2)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Bumblebee Jasper
Fossiliferous Volcanic Rock (composed of Calcium Carbonate, Manganese Oxides, and Arsenic Sulfides)
igneous
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Gold Nugget
Native Gold (Au)
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
mineral
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
mineral
Limonite after Pyrite (Pseudomorph)
FeO(OH)·nH2O following FeS2
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18)
mineral
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
mineral
Gold Ore in Quartz/Schist
Auriferous Quartz and Sulfide-bearing Schist
Metamorphic/Igneous (Hydrothermal)
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Dendritic Jasper
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
sedimentary
Quartz Druzy Geode Fragment
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
mineral
Septarian Nodule (Dragon Stone)
Septarian concretion (composition: CaCO3 - Calcite, Aragonite, and Siderite/Limestone)
sedimentary
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Amethyst (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
mineral
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
mineral