mineral
Fluorite, Sodalite, and Rose Quartz collection
Calcium Fluoride (CaF2), Sodium Aluminum Silicate with Chlorine (Na8(Al6Si6O24)Cl2), Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectFluorite (Green): Hardness 4, Vitreous luster, Cubic; Sodalite (Blue): Hardness 5.5-6, Greasy/Vitreous; Rose Quartz (Pink): Hardness 7, Vitreous luster, Hexagonal.
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Physical properties
Fluorite (Green): Hardness 4, Vitreous luster, Cubic; Sodalite (Blue): Hardness 5.5-6, Greasy/Vitreous; Rose Quartz (Pink): Hardness 7, Vitreous luster, Hexagonal.
Formation & geological history
Fluorite forms in hydrothermal veins; Sodalite forms in igneous rocks like syenites; Rose Quartz forms in high-temperature pegmatites.
Uses & applications
Used for industrial flux (fluorite), ornamental carvings, lapidary work, gemstones, and collection pieces.
Geological facts
Fluorite is the origin of the term 'fluorescence'. Sodalite is often mistaken for Lapis Lazuli but lacks pyrite inclusions. Rose Quartz color is likely due to trace amounts of titanium, iron, or manganese.
Field identification & locations
Identify Fluorite by its 4-way cleavage and relative softness; identify Sodalite by its deep blue hue and white streaks; identify Quartz by its hardness (cannot be scratched by steel).
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Epidote
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Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
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Granite
Granite (Phaneritic intrusive igneous rock)
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