Calcite Crystals & Acid-Effervescence

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A Blue Gems & Minerals List

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View atop Blue Jay claim

Sapphire Mining: Discovery in Canada

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raw montana sapphires of varying colors

Montana Sapphires: A Rockhound Guide

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faceted citrine stone

Citrine Stone: Faceting Shield of the Heart Design

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pegmatite

Pegmatite Rock: Large & In Charge

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example of a pegmatite

Exploring How Pegmatites are Formed

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Piezoelectric Crystals – The Key to Current Technology

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necklace made of gemstone beads of lapis lazuli

Gemstone Beads: A Popular Pick with an Ancient Past

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How Do Fireworks Get Their Color?

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