Minerals
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Transcript of Minerals
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MINERALSAchj,phap
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Aquamarine Hardness: 7 ½ - 8 Color: Light blue, Blue, Blue – Green. Luster: Vitreous Streak: White
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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.
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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.
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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
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