Ruby in Fuchsite and Ruby in Zoisite can be hard to tell apart if you do not know what to look for, especially if the Ruby in Fuchsite is a darker green color. The following are a few tips on how to identify which you have. The video offers information as well as shows you a side by side comparison.
Ruby in Fuchsite: 2.5-3 (You can scratch it with a steel knife.)
Ruby in Zoisite: 6.5-7
Ruby in Fuchsite: White, it can sheds tiny green flakes, especially in the raw form.
Ruby in Zoisite: White
Colors and Mineral Content:
Ruby in Fuchsite: Fuchsite is the green variety of Muscovite Mica. It has a high Chromium content, which is where it gets the green coloring from. The color can vary from light green to emerald green depending upon the amount of Chromium. One of the best ways to tell that it is Ruby in Fuchsite is to look for the cream to white color around the Ruby, as this is the Muscovite (with no Chromium). Also Ruby in Fuchsite often has blue Kyanite, which can usually be found around the Ruby. The coloration rims around the Ruby is found only in Ruby in Fuchsite, not in Ruby in Zoisite. (Click here to read more about Ruby in Fuchsite.)
Ruby in Zoisite: Ruby in Zoisite is also known as Anyolite. Ruby in Zoisite usually contains black Hornblende Tschermakite. There is fake Ruby in Zoisite being sold, especially in bead form. It is another stone (unknown at this time) that is dyed to look like Ruby in Zoisite. One way to tell if your Ruby is real is to check it with a blacklight. Rubies will glow under a blacklight or UV light. (Click here to read more about Ruby in Zoisite.)
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