S2- 4 watt - UV Flashlight Power:UV Light & 1 Rechargeable Battery the feldspar crystals inside these

the feldspar crystals inside these stones developed the microscopic lamellae responsible for their signature light interference effect

thanks to the fine-grained matrix and stable composition of the local rock

Product Title: Hard Pressed Felt Set of 100 pieces

These starfish date back to the Ordovician period which was over 450 million years ago

S2- 4 watt - UV Flashlight Power:UV Light & 1 Rechargeable Battery the feldspar crystals inside theseMade In: China & USA Description: These 4 watt UV lights are a favorite among fluorescent gem, rock and mineral collectors for their portable size and excellent UV output. The reflector focuses the UV output to an intense, but smooth "spot" with a range of 10 meters or more for finding specimens up close or quite far away. The intensity of the beam is strong enough to cause fluorescence in materials that do not fluoresce very well under the normal UV