Ethiopian Opal Chunk Tourmalated Quartz (clear with black) Obsidian is a dark

Obsidian is a dark

Dendrites form inside a crystal when mineral rich (usually with manganese or iron) water

Do not place directly in a window as it can start a fire

or as home or office decor

Ethiopian Opal Chunk Tourmalated Quartz (clear with black) Obsidian is a darkThese Ethiopian opal chunks are stunning incredibly reflective, vibrant colors with incredible luster and flash. Perfect for your talisman pouch, pocket, collection, and can even be used for making your own cabochons for jewelry. Note that this type of opal is water sensitive so be very careful when cleansing and charging this crystal in water as it may dilute the color and vibrance over time. To restore its vibrance, use olive oil. Origin: Ethiopia