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LAZULITE, SCORZALITE with GORMANITE (EXTREMELY RARE) with QUARTZ NEEDLES and CALCITE

LAZULITE, SCORZALITE with GORMANITE (EXTREMELY RARE) with QUARTZ NEEDLES and CALCITE

SPECIMEN NR #:

Regular price $150.00 AUD
Regular price Sale price $150.00 AUD
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Lazulite, also known as Azure spar, is a blue mineral that ranges from transparent to semi-opaque. It is composed of magnesium, iron, and aluminum phosphates, with the chemical formula (Mg,Fe2+)Al2(PO4)2(OH)2. Lazulite is part of a solid solution series that includes the darker, iron-rich mineral scorzalite, which is also to be found on this specimen.

This mineral crystallizes in the monoclinic system, exhibiting crystal forms that are typically steep bipyramidal or wedge-shaped. Lazulite has a Mohs hardness rating between 5.5 and 6.0, along with a specific gravity of 3.0 to 3.1. It is characterized by its infusibility and insolubility.

Gormanite is an extremely rare phosphate mineral characterized by the chemical formula (Fe,Mg)3Al4(PO4)4(OH)6·2H2O. The mineral is named in honor of Donald Herbert Gorman, a professor at the University of Toronto from 1922 to 2020. 

It was first identified in 1981, with notable occurrences found in Rapid Creek and Big Fish River within the Dawson Mining District of Yukon Territory, Canada. At these type localities, Gormanite appears as veins within iron phosphate nodules. Additionally, in Bisbee, Arizona, it is found as sizable crystals situated in fractures of a tonalite intrusive.

Scorzalite ((Fe2+,Mg)Al2(OH,PO4)2) is a dark blue phosphate mineral composed of iron, magnesium, and aluminum phosphate. It represents one end of a solid solution series with lazulite, which is lighter and richer in magnesium.

This mineral crystallizes in the monoclinic system, exhibiting a dipyramidal shape. With a Mohs hardness ranging from 5.5 to 6 and a specific gravity of 3.4, scorzalite is characterized by its infusibility and insolubility in water, showing only slight solubility in warm hydrochloric acid.

Specimen details

The numbers under "variant" are the measurements in mm and weight in grams. Where known, the origin of the specimen is mentioned. The number at the end, is the specimen number in our collection. Colours may vary, due to photography.

Care

It's important to know that many minerals can be effectively cleaned with water. However, before using any cleaning methods, such as dissolvers or ultrasound, please take the time to research online. Improper use of these techniques could potentially harm your specimen.

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Variant Variant total Quantity Price Variant total
85 29 29 30 / Crosscut Creek Yukon Canada / 329-14
85 29 29 30 / Crosscut Creek Yukon Canada / 329-14
$150.00/ea
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$150.00/ea $0.00