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Rich Scorzalite Pocket

The Mineral scorzalite

Scorzalite is an uncommon deep-blue mineral that forms a series with Lazulite. Lazulite is the magnesium-rich end member of the series, and Scorzalite is the iron-rich end-member. Scorzalite was first identified in 1947, and is named after the Brazilian mineralogist Evaristo Penna Scorza (1899-1969).
Chemical Formula (Fe,Mg)Al2(PO4)2(OH)2
Composition Basic phosphate of iron, magnesium, and aluminum
Color Dark blue
Streak White
Hardness 5.5 - 6
Crystal System Monoclinic
Crystal Forms
and Aggregates
In groups of small bipyramidal and complex crystals. Also grainy, encrusting, massive, and in veins and rounded pods embedded in host rock.
Transparency Transparent to opaque
Specific Gravity 3.2 - 3.3
Luster Vitreous
Cleavage 3,1
Fracture Uneven
Tenacity Brittle
In Group Phosphates; True Phosphates
Striking Features Color and crystal habits
Environment In metamorphosed schists and as a replacement mineral in igneous pegmatite dikes.
Rock Type Igneous, Metamorphic
Popularity (1-4) 3
Prevalence (1-3) 3
Demand (1-3) 3

Scorzalite AUCTIONS

As a rare collectors mineral.

Good examples of this mineral that were originally thought to be Lazulite but recently analyzed as Scorzalite came from the Estaño Orcko mine, Potosí, Bolivia. Other worldwide occurrences include Horrsjöberg, Värmland, Sweden; and Torre de Moncorvo, Bragança District, Portugal.

In the U.S., the finest examples of Scorzalite are from the Palermo No. 1 Mine and the Charles Davis Mine, Groton, Grafton Co., New Hampshire. Other localities include the G. E. Smith Mine, Newport, Sullivan Co., New Hampshire; and the Champion Mine, Mono Co., California.

Quartz, Lazulite, Muscovite, Sillimanite, Kyanite, Rutile, Svanbergite

Lazulite - Difficult to distinguish, though usually lighter in color and lower specific gravity.

scorzalite PHOTOS
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