Other resources

• Rose Quartz
  Who doesn't love rose quartz in all its varying hues of pink? Rose quartz takes its name from the flower because of its translucent and delicate pink color caused by traces of iron, manganese or titanium.
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• How are diamonds made?
  Diamonds form between 75 and 120 miles below the earth's surface. According to geologists the first delivery of diamonds was somewhere around 2.5 billion years ago and the most recent was 45 million years ago. The carbon that makes diamonds comes from the melting of pre-existing rocks in the Earth's upper mantle.
  Read more: How diamonds are made