| Crystal System: Axis of symmetry Crystal Form: Octahedron, cube, dodecahedrom, or trapezohedron Habit: Branching, grains, plates or lumps Hardness:2.5-3 Cleavage/Fracture: None, cutting Luster: Metallic Color: Golden yellow Streak: Golden yellow Specific Gravity:19.28 Other Characteristics: ¡@¡@¡@(1)Good ductility to make thin gold paper. ¡@¡@¡@(2)Opaque ¡@¡@¡@(3)Good conductor of heat and electricity ¡@¡@¡@(4)Melting point of 1062¢J ¡@¡@¡@(5)If the composition of silver increases, the color will turn to light yellow or milky yellow ¡@¡@¡@(6)With the association of silver, the specific gravity will decrease. ¡@¡@¡@(7)Boiling point is 2966¢J |
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