mineral
Wavellite with Quartz
Al3(PO4)2(OH,F)3 & SiO2
Hardness of 3.5 to 4 for wavellite, color ranges from white, yellow, green to blue-green, vitreous to pearly luster, orthorhombic crystal system, distinct radiating or spherical aggregate crystal habits.
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Physical properties
Hardness of 3.5 to 4 for wavellite, color ranges from white, yellow, green to blue-green, vitreous to pearly luster, orthorhombic crystal system, distinct radiating or spherical aggregate crystal habits.
Formation & geological history
Forms as a secondary mineral in low-temperature hydrothermal environments, commonly found in aluminum-rich metamorphic rocks and phosphatic rock fractures.
Uses & applications
Mainly collected by mineral enthusiasts and displayed as a specimen; no major industrial uses.
Geological facts
Wavellite was first discovered in Devon, England, and is famous for its striking spherical or globular crystal aggregates that look like stars or sunbursts when broken open.
Field identification & locations
Can be identified in the field by its distinct radiating, globular, or botryoidal structures with a greenish or yellowish hue. Found worldwide including locations in the US, UK, and Germany.
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