Obsidian beads are formed from a naturally occurring volcanic glass. Pure obsidian is usually very dark in colour. A popular type of obsidian bead, snowflake obsidian is formed when crystals of cristobalite form in the black glass creating a pattern very much like snowflakes. This produces a decorative effact which is ideal for making jewellery.
Our Semi Precious Stones are genuine and natural unless they are stated to be synthetic in the description. However, you will find the vast majority of Semi Precious Stones are treated in some way, as they would not be stable enough for use in jewellery in their original state.
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