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Gemstone Colours

Are smoky quartz really brown? Kind of 😅 There is a test done in gemology called a streak test. It’s considered a destructive test, so should never be done on a cut gemstone like the smoky quartz in this video, but it's interesting when looking at gemstone colours. You scratch a bit of the crystal along a rough tile and look at the colour of the steak that’s left behind. In the case of smoky quartz that streak would be white, despite the stone looking brown. This is because the gemstone…
Azonomy
Azonomy
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