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35 Most Valuable Gemstones, From Least to Most Expensive
When you think of expensive gemstones, what comes to mind? Most people think of the Big Four: diamonds, emeralds, rubies and sapphires. However, it might surprise you to know that there are ...
This is world's most expensive salt, 250 grams costs Rs 7500, it is produced in..., its benefits are...
Countries like China also produce sea salt on a massive scale. In Australia, salt mining makes production economical.