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Helvite with Microcline
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Helvite with Microcline (Ref: 1604293)

Navegadora Mine, Sao Geraldo de Baixo, Minas Gerais, Brazil
115mm x 60mm x 45mm
$280
A fine example for the species with very sharp crystals of helvite measuring to 0.5 cm in size across a crystallized white microcline matrix. Muscovite is present as well. The helvite crystals are brightly fluorescent red under longwave ultraviolet light.
Data last checked on 17th Jul 2025 - specimen may no longer be available

From: Weinrich Minerals
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See Also

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* price is an approximate conversion and may not be accurate.

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