＜ ＜ ＜Knowledge unit of Minerals ＞ ＞ ＞
Realgar
Introduction
Physical Properties
Chemical Properties
Occurences
Notable Locality
Major Uses
Diagnostic Features

Chemical Properties

Formula: AsS

Class: Sulfides and Sulfosalts

Characteristics:

(1) Long exposure to light will cause a photochemical reaction which will deteriorate realgar into brownish yellow powder of orpiment.

(2) Partially dissolvable in acids and KOH solutions.

        

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