Scorzalite
A variety of Minerals
What is Scorzalite?
Scorzalite ((Fe,Mg)Al2(OH,PO4)2) is a dark blue phosphate mineral containing iron, magnesium, and aluminium phosphate. Scorzalite forms one endmember of a solid solution series with the lighter, more magnesium-rich lazulite. Scorzalite crystallizes in the monoclinic system in a dipyramidal form. It has a Mohs hardness of 5.5-6 and a specific gravity of 3.4. It is infusible and insoluble in water, and only slightly soluble in warm hydrochloric acid.
Optical Properties
- Refractive Index
- 1.639-1.680
- Birefringence
- 0.041
- Pleochroism
- Colorless, blue
- Optical Character
- Biaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Scorzalite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Scorzalite Localities Map
See where Scorzalite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Scorzalite
It was first described in 1947 for an occurrence in the granite pegmatite in the Córrego Frio mine, Linópolis, Doce valley, Minas Gerais, Brazil. It was named for the Brazilian geologist Everisto Pena Scorza (1899–1969). It occurs as a secondary phase in pegmatites and kyanite (aluminium-rich) quartzites. Associated minerals include souzalite, triphylite, wyllieite, trolleite, apatite, lacroixite, berlinite, tourmaline, muscovite, feldspar and quartz.
Quick Facts
Physical Properties
- Color
- Dark azure blue, green-blue, blue-green
- Hardness (Mohs)
- 6
- Density
- 3.32 g/cm³
- Streak
- White to light blue
Chemical Properties
- Chemical Formula
- Fe2+Al2(PO4)2(OH)2
- Elements
- Al, Fe, H, O, P
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Scorzalite FAQs
How do I identify Scorzalite?
Scorzalite can be identified by its hardness of 6 on the Mohs scale, Dark azure blue color. Look for these key characteristics when examining specimens.
What color is Scorzalite?
Scorzalite typically appears in Dark azure blue, green-blue, blue-green. Color can vary depending on impurities and formation conditions.
How hard is Scorzalite?
Scorzalite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.
What is the formation of scorzalite of Scorzalite?
It was first described in 1947 for an occurrence in the granite pegmatite in the Córrego Frio mine, Linópolis, Doce valley, Minas Gerais, Brazil. It was named for the Brazilian geologist Everisto Pena Scorza (1899–1969). It occurs as a secondary phase in pegmatites and kyanite (aluminium-rich) quartzites. Associated minerals include souzalite, triphylite, wyllieite, trolleite, apatite, lacroixite, berlinite, tourmaline, muscovite, feldspar and quartz.
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