1. It is found in nature as relatively low temperature mineral acanthite.

2. Acalyculate acamarian acamprosate acanaloniid acanaloniid planthoppers acantha acanthaceous acanthads acanthamebiasis Acanthamoeba Acanthamoeba keratitis acanthamoebiasis acanthamoebosis acanthi acanthite acanthocephalans acanthocephales acanthocephaliasis:

3. 1.5 cm Bohmite specimen from Saga , Norway.F2 online mineral store rare mineral specimen rare mineral specimens systematicminerals.com systematic minerals painite taaffeite tanzanite antlerite silver gold libethenite sulfur realgar adamite hemimorphite jarosite Cougar mine barite acanthite sperrylite