Turquoise-
color- Is turquoise, but this color usually varies from greenish blue to sky blue shades.
Streak- Is white with a greenish.
Hardness-5-6.
Luster- Is a dull to waxy, vitreous in macro-crystals.
Cleavage- Is perfect in two directions, but is not often seen.
Transparency- Specimens are opaque.
Uses- Turquoise is used for jewelry.
Found in the United States and other places.