REALGAR

CLASS: Sulfide . . . CHEMICAL FORMULA: AsS . . . CRYSTAL SYSTEM: monoclinic
CRYSTAL FORM: prism, with longitudinal striations; frequently, it occurs in compact formations or forming patinas over other minerals.
COLOR: red
PHYSICAL PROPERTIES: soft (1.5/ 2 Mohs), heavy (3.5/ 3.6 g/cm3), fragile, perfect exfoliation, conchoidal fracture, transparent/ translucent, adamantine/ resinous/ greasy luster, easily fused, exposed to light it turns yellow.
CURIOSITIES: it is related to the supply of energy at physical and mental level for the achievement of objectives

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