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Gemstones, Minerals & Fossils
Meteorites
Is this potentially a meteorite? Dont look at the blue/green colours they are all reflections. Real colour is silver
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<blockquote data-quote="Hawkear" data-source="post: 640066" data-attributes="member: 4728"><p>I'll have a stab at a nice example of Hornblende.</p><p>Found this reference on the net. <a href="https://www.minerals.net/mineral/hornblende.aspx" target="_blank">https://www.minerals.net/mineral/hornblende.aspx</a></p><p></p><p>Hornblende is a major <a href="https://www.minerals.net/Mineral_Glossary/rock-forming_mineral.aspx" target="_blank">rock-forming mineral</a> found in many different types of <a href="https://www.minerals.net/Mineral_Glossary/metamorphic.aspx" target="_blank">metamorphic</a> and <a href="https://www.minerals.net/Mineral_Glossary/igneous.aspx" target="_blank">igneous</a> environments.</p><p></p><p></p><p>Some of the checks you may be able to do yourself are.</p><p></p><table style='width: 100%'><tr><td>Color</td><td>Usually black, dark green, dark brown</td></tr><tr><td>Streak</td><td>White, colorless – (brittle, often leaves cleavage debris behind instead of a streak)</td></tr><tr><td>Luster</td><td>Vitreous</td></tr><tr><td>Cleavage</td><td>Two directions intersecting at 124 and 56 degrees</td></tr><tr><td>Specific Gravity</td><td>2.9-3.4</td></tr><tr><td>Mohs Hardness</td><td>5 to 6</td></tr></table></blockquote><p></p>
[QUOTE="Hawkear, post: 640066, member: 4728"] I'll have a stab at a nice example of Hornblende. Found this reference on the net. [URL]https://www.minerals.net/mineral/hornblende.aspx[/URL] Hornblende is a major [URL='https://www.minerals.net/Mineral_Glossary/rock-forming_mineral.aspx']rock-forming mineral[/URL] found in many different types of [URL='https://www.minerals.net/Mineral_Glossary/metamorphic.aspx']metamorphic[/URL] and [URL='https://www.minerals.net/Mineral_Glossary/igneous.aspx']igneous[/URL] environments. Some of the checks you may be able to do yourself are. [TABLE] [TR] [TD]Color[/TD] [TD]Usually black, dark green, dark brown[/TD] [/TR] [TR] [TD]Streak[/TD] [TD]White, colorless – (brittle, often leaves cleavage debris behind instead of a streak)[/TD] [/TR] [TR] [TD]Luster[/TD] [TD]Vitreous[/TD] [/TR] [TR] [TD]Cleavage[/TD] [TD]Two directions intersecting at 124 and 56 degrees[/TD] [/TR] [TR] [TD]Specific Gravity[/TD] [TD]2.9-3.4[/TD] [/TR] [TR] [TD]Mohs Hardness[/TD] [TD]5 to 6[/TD] [/TR] [/TABLE] [/QUOTE]
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Gemstones, Minerals & Fossils
Meteorites
Is this potentially a meteorite? Dont look at the blue/green colours they are all reflections. Real colour is silver
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