Paradimorphite

paradimorphite

dimorphite

fumeroles

arsenic

Images

Formula: As4S3
Sulphide, high-temperature paramorph of dimorphite, arsenic-bearing mineral
Crystal System: Orthorhombic
Specific gravity: 3.510 measured, 3.500 calculated
Hardness: 1 to 2
Streak: Saffron-yellow
Colour: Orange-yellow
Luminescence: Not fluorescent under UV
Environments

Fumeroles

Paradimorphite is a new mineral, approved in 2022 and to date (May 2023) reported only from the type locality.

Localities

At the type locality, Solfatara di Pozzuoli, Pozzuoli, Naples, Campania, Italy, paradimorphite occurs as orange-yellow prismatic crystals, transparent or semitransparent, with adamantine lustre. (MM 86.3.500-506).

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