Arkansas Wavellite Rock Specimen
Автор: Grumbly Tumbleweed
Загружено: 2025-06-30
Просмотров: 1817
Описание:
Wavellite is a rare and eye-catching phosphate mineral, often prized by collectors for its unique crystal formations and radiant colors.
Key Features:
Chemical Formula: Al₃(PO₄)₂(OH,F)₃·5H₂O
Hardness: 3.5–4 on Mohs scale
Luster: Vitreous to pearly
Color: Green, on gray matrix
Size: 6.91 grams, 1.25 inches x 0.75 inches x 0.5 inches
Appearance:
Wavellite typically forms botryoidal radiating, spherical clusters of crystals, which look a bit like waxy pompoms. These radial aggregates can appear on a matrix rock or embedded in fractures.
Where It's From:
This natural specimen is from the famous area in Arkansas, USA, near Mount Ida, but it also occurs in other phosphate-rich environments worldwide, including parts of Germany, England, and Bolivia.
Fun Fact:
It’s named after William Wavell, an English physician who first discovered it in the late 18th century.
A wonderful addition to your rock and mineral collection, or a unique gift for your favorite geology enthusiast.
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