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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
Size: 4" Across
This transparency exposes the fine
Weight: 1132g
This Moonstone sphere is beautifully polished to a smooth finish
An ideal choice for geology and crystal collectors
Polished Black Tourmaline Freeform thumbnail Size: 4" AcrossThis is a polished black tourmaline Freeform. It's a naturally dark, opaque black color. You'll find that it has a smooth feel from being polished. Its hard to take a good picture due to the polish. An interesting fact about tourmaline is that it's a pyroelectric and piezoelectric mineral. This means it can generate an electrical charge when heated or when subjected to pressure. This property was actually known for centuries, with early Dutch traders
