Variscite Value, Price, and Jewelry Information


Variscite
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0 [CC-BY-SA-3.0], via Wikimedia Commons

Variscite has occasionally been used as a turquoise imitation. It is very popular among hobbyists as a cabochon material because of the interesting patterns in the Utah material. Variscite mixed with quartz from Ely, Nevada, has been named Amatrix (for American matrix).

Variscite Value

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Variscite Information

DataValue
NameVariscite
VarietiesScorodite
Crystallography Orthorhombic. Crystals octahedral and very rare; also massive, crusts. nodules.
Colors Colorless, pale green,  dark green, yellowish green, blue-green.
Luster Crystals vitreous; massive waxy to dull.
Fracture Crystals: conchoidal; brittle. Massive: splintery to uneven.
Hardness 3.5-4.5.
Specific Gravity 2.2 - 2.57.
Birefringence 0.031.
Cleavage Crystals: good 1 direction. Massive: none.
Stone SizesNodules of variscite may weigh many pounds and have been found up to a diameter of about 24 inches. The material is suitable only for cabochons, but variscite mixed with other phosphates is sometimes cut into spheres or used in decorative displays.
Luminescence Dull green (Lewiston, Utah) or green (Fairfield. Utah) in SW; whitish green in LW from these localities.
Spectral Not diagnostic. Strong line at 6880, weaker line at 6500.
FormulaAIPO4 · 2H2O.

VARISCITE Series to Strengite: FePO4 – 2H2O.

Massive: none; fracture splintery to uneven.

Optics: a=1.563; β=1.588; γ= 1.594.

Shadow edge at about 1.56.

Biaxial (-), 2V moderate.

Occurrence: Forms by the action of phosphate-bearing waters on aluminous rocks.

Arkansas; California; Nevada; Arizona; Pennsylvania; Germany; Czechoslovakia: Austria; Queensland. Australia; Brazil; Spain.

Fairfield County, Utah: rich-colored nodules up to 24 inches across mixed with other massive complex phosphates.

Tooele, Utah: massive. rich green nodules, suitable for cutting.

Comments: Variscite has occasionally been used as a turquoise imitation. It is very popular among hobbyists as a cabochon material because of the interesting patterns in the Utah material. Variscite mixed with quartz from Ely, Nevada, has been named Amatrix (for American matrix).

Name: After Variscia, the old name of the Voigtland district in Germany where it was first found.