Minerals

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Minerals. Achj,phap. Aquamarine. Hardness: 7 ½ - 8 Color: Light blue, Blue, Blue – Green. Luster: Vitreous Streak: White. Turquoise. Color: Is of course, turquoise, but this color actually varies from greenish blue to sky blue shades. - PowerPoint PPT Presentation

Transcript of Minerals

MINERALSAchj,phap

Aquamarine Hardness: 7 ½ - 8 Color: Light blue, Blue, Blue – Green. Luster: Vitreous Streak: White

Turquoise Color: Is of course, turquoise, but this

color actually varies from greenish blue to sky blue shades.

Cleavage: Is perfect in two direction ,not often seen.

Fracture: Conchoidal and smooth. Streak: White with a greenish tint.

Jadeite Luster: Waxy, greasy; pearly on cleavage

surfaces. Polished material may be vitreous.

Fracture: Splintery, uneven. Cleavage: 1,2 - prismatic at cleavage

angles of 87º and 93º. Color: Light to dark green, cream, gray,

and white. May also be a mixture of white and light green. Occasionally also yellow, pink, purple, brown, and black.

Pectolite

Color: White, Grey, Light Pink, And Light Green. Streak: White. Fracture: Splintery - Thin, elongated fractures produced

by intersecting good cleavages or partings. Luster: Vitreous - Silky