tyrolite


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tyrolite

[′tir·ə‚līt]
(mineralogy)
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Tabular, emerald-green, pearly crystals and groups of tyrolite to 2 mm have been identified by EDS.
A similar process is observed in La Atalaya, where chenevixite, tyrolite, cornwallite, olivenite and azurite were the first-formed secondary minerals, partially replaced thereafter by conichalcite.
Juanitaite occurs at one occurrence as square crystal plates with rounded corners in sheaflike subparallel aggregates and rosettes associated with conichalcite and mixite, scattered over fracture surfaces on limonitic matrix, and in another occurrence with connellite, tyrolite and azurite on quartz.
Oxidation in the dump has produced stains and efflorescences of erythrite, tyrolite, annabergite, malachite and, rarely, conichalcite and picropharmacolite.
Pale blue to greenish blue encrustations of vitreous tyrolite have been found at Kamareza, associated with malachite and azurite.