Anhydrous sulphate containing halogen, hedyphane group
Specific gravity: 5.1 (approximate) measured, 4.5 calculated
Colour: Colourless, greyish, greenish stained, colourless in transmitted light
Solubility: Partially decomposed in water, soluble in ammonium acetate solution or hot KOH solution (Dana)
Caracolite is a rare secondary mineral in the oxidised
zone of chlorine-rich lead deposits
At the type locality, the Beatriz mine, Caracoles, Sierra Gorda, Antofagasta Province, Antofagasta, Chile, caracolite occurs as crystalline incrustations with pseudohexagonal crystals to 1mm, associated with boleite, pseudoboleite, galena, bindheimite and anglesite (Mindat, HOM).
At the Herminia Mine, Caracoles, Sierra Gorda, Antofagasta Province, Antofagasta, Chile, caracolite is associated with atacamite, boleite, osarizawaite–beaverite and paratacamite (HOM).
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