The Crystal and Mineral Vault

Welcome to our Crystal and Mineral Knowledge Hub, where science tradition and mindful practice come together. This space is dedicated to exploring the formation properties and cultural associations of crystals and minerals through Mineral Vault profiles and practical guides designed to encourage informed discovery and deeper understanding.

Go to our Mineral Guides for science based knowledge and the 'How to Guides' for spiritual practices.

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Citrine: Turns Out Most of It Is Just Amethyst That Got Too Hot

by Laura Konst

Most of the Citrine on the market is heat-treated Amethyst. Natural Citrine is rare, geologically distinct, and looks nothing like the bright orange material sold in crystal shops. This guide covers the iron colour chemistry, the difference between natural and heated material, geological origins, and five thousand years of solar symbolism.

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The Crystal and Mineral Vault

Citrine: Turns Out Most of It Is Just Amethyst That Got Too Hot

by Laura Konst

Most commercial Citrine is not natural Citrine. It is Amethyst that has been heated to around 470 degrees Celsius, converting the purple iron colour centres into yellow ones through a process that is permanent, stable, and widely accepted in the gem trade but not always disclosed at the point of sale. Natural Citrine exists, is genuinely rare, and looks quite different

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The Crystal and Mineral Vault

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