Discover P.J. Joseph's blog, your guide to colored gemstones, diamonds, watches, jewelry, art, design, luxury hotels, food, travel, and more. Based in South Asia, P.J. is a gemstone analyst, writer, and responsible foodie featured on Al Jazeera, BBC, CNN, and CNBC. Disclosure: All images are digitally created for educational and illustrative purposes. Portions of the blog were human-written and refined with AI to support educational goals.
Wednesday, August 22, 2007
Can You Identify The Stone?
A blue gemstone has an R.I of 1.542-1.551 and shows pleochroism to the naked eye. The dichroscope reveals dark violet blue, medium blue and light yellow. The gemstone is: Iolite
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