When Does Coal Become a Precious Stone?
Coal is basically a compound consisting largely of carbon. When a piece of carbon deep underground is subjected to great heat and pressure, it…
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Diamond
Who Opened up the Kimberley Diamond Mines?
Cecil Rhodes, son of an English vicar, and Barney Barnato, son of a London Jew, both made fortunes by opening up the Kimberley diamond…
Where Are Precious Stones Found?
Precious Stones, or gems, are minerals used for adornment, and they are found in rocks. Rocks are divided into three groups. The igneous (fire-formed)…
Who Started the Diamond Engagement Ring Tradition?
Who Started the Diamond Engagement Ring Tradition? Fiancées can thank Archduke Maximilian of Austria for starting the diamond engagement ri
What Makes a Diamond Sparkle?
Diamond sparkle is a result of light performance. The cutting of a diamond directly impacts the amount of light performance achieved. Diamonds have great…