LUSTRE BLOG / November birthstone
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Posted on November 01 2017
Before the 20th century, all gems in the brown, orange, and yellow colour range were called topaz. Modern gemology was only recognized as a science in the 1930s. Today we know that topaz and brown quartz are actually two different gemstones. Citrine is less likely to be confused with Topaz today, but it does happen.
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