OPAL

CHARACTERISTICs

• Color
• None, white,yellow, orange, red, purple,
• blue, green, gray, brown and black.

CHARACTERISTICS 2

• Streak- white
• Luster- vitreous, pearly, waxy, or resinous
• Crystal system- amorphous
• Cleavage- none
• Fracture- conchoidal

HARDNESS

• It is a 4.5-6.5 on the Mohs hardness scale

USES

• Opal is used for jewelry

SOURCES

• Www.minerals.net