Halides: Mayersite
Diagnostic card.
Myersit from the world's only Broken Hill deposit in New South Wales (Australia)
Ag HI
Cubic amount of cubic zirconia
Hardness 2,5
Specific weight 5.64
Cleavage is perfect
Yellow color
Canary-yellow mayersite is quite rare. Probably, its stability increases under conditions of high copper contents.
Diagnostic signs.
Myersit is relatively difficult to distinguish when a cursory study. A chemical analysis is required in combination with crystallographic study.
Place of Birth.
Mayersit can be found only in the Broken Hill deposit in the state of New South Wales (Australia). It is there with quartz, chalcocite, garnet, limonite, malachite, vad, cerussite and cuprite. Sometimes it is possible to find an association with crystals of iodargyrite.
Myersit (pale yellow tetrahedral crystals) on an azurite brush.
Rubtsovskoye deposit, Rubtsovsk, Altai, Russia, CIS. Photo: © А.А. Evseev.
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Poisonous and radioactive dangerous stones and minerals
** - poisonous stones and minerals (mandatory check in the chemical laboratory + explicit indication of toxicity)
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Catalog of minerals and semi-precious stones of the world by groups
** - poisonous stones and minerals
** - radioactive stones and minerals
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