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Heliodor is a golden-yellow variety of the mineral beryl. It's a rare, transparent to translucent stone that's popular with collectors.

Origin and name

• The name heliodor comes from the Greek words helios, meaning "sun", and doron, meaning "gift"

• It was first discovered in 1910 in Rossing, Namibia

• The name was originally used to describe the golden beryl from Namibia, but now refers to all yellow beryls

Properties

• Heliodor is brittle and vitreous

• It has a hardness of 7.5 to 8 on the Mohs scale

• It's resistant to external influences

• Its color comes from trace amounts of iron impurities

• Inclusions of iron can also give heliodor a yellow-green tint

Uses Heliodor is used in jewelry and It's also used for carving and sculpting.

Value

• The value of heliodor depends on its color, size, and flaws

• Bright yellow heliodors are the most valuable

• Small inclusions and cracks can significantly decrease the price

Localities

• Heliodor can be found in Ukraine, Sri Lanka, Namibia, Brazil, Finland, Russia, and Madagascar