Why the emerald is so fragile (and how can a hammer split a diamond?)
"A hammer cannot scratch a diamond, but the hammer can break the diamond into a thousand pieces!" How is that possible? Using the hardness scale to help you choose your...
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Are you thinking of getting engaged? Consider this before proposing
Keep it simple! In this article, you will get well-chosen, practical tips to consider when choosing a ring to propose with. The tips are based on many years of experience...
