Ruby: Difference between revisions
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{{otheruse|this=the mineral|use1=other uses}} |
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{{Infobox mineral |
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| name = Ruby |
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| category = [[Mineral]] variety |
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| image = Ruby cristal.jpg |
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| imagesize = 150 |
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| caption = Ruby crystal before faceting, length 0.8 inches (2 cm) |
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| formula = [[aluminium oxide]] with [[chromium]], Al<sub>2</sub>O<sub>3</sub>::Cr |
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| molweight = |
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| color = Red, may be brownish or purplish |
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| habit = Varies with locality. Terminated tabular hexagonal prisms. |
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| system = Trigonal |
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| twinning = |
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| cleavage = No true cleavage |
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| fracture = Uneven or conchoidal |
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| mohs = 9.0 |
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| luster = Vitreous |
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| refractive = ~1.762-1.770 |
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| opticalprop = |
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| birefringence = |
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| fluorescence= red under longwave |
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| pleochroism = Orangey red, purplish red |
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| streak = white |
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| gravity = 4.0 |
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| melt = 2050°C |
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| fusibility = |
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| diagnostic = |
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| solubility = none |
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| diaphaneity = transparent |
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| other = |
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}} |
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== RUBY'S ARE GAY!!! == |
== RUBY'S ARE GAY!!! == |
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Revision as of 19:37, 29 September 2008