Spinel: the gemstone mistaken for ruby
The Black Prince Ruby is a spinel. Here is why Sri Lankan blue and purple spinel deserves its own shelf, not ruby leftovers.
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Notes from the workshop on Sri Lankan gemstones, silver and how to choose a piece that lasts.
The Black Prince Ruby is a spinel. Here is why Sri Lankan blue and purple spinel deserves its own shelf, not ruby leftovers.
Read more