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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Tanzanite: The Gemstone Discovered in 1967 That May Run Out Within Your Lifetime

by Laura Konst

Tanzanite was unknown to science until 1967. Every specimen ever found has come from the same few square kilometres of northern Tanzania, and geological estimates suggest the accessible deposit may be exhausted within decades. This guide explores the metamorphic geology, vanadium-driven colour science, and remarkable trichroism of one of the rarest and most geographically restricted gemstones on Earth.

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