Long Wave Fluorescent Minerals Pack Quality:Standard 3mmOverall Length: 44mmApproximate Weight of

3mmOverall Length: 44mmApproximate Weight of 1 burr: 1

Approximate Size for 1 piece: 11cm x 6cm x 3cm

Boxes do not come with stones

Approximate Size of 1 half: 50mm x 40mm x 9mmApproximate Weight of 1 piece: 40g

Long Wave Fluorescent Minerals Pack Quality:Standard 3mmOverall Length: 44mmApproximate Weight ofDescription: In a darkroom, expose them to an Ultraviolet light (long wave fluorescent light the type used in school science labs or theatrical productions). It will enable you to identify them by colour. Some of these specimens will also react to shortwave fluorescent light sources. Be careful if you use a shortwave lamp, do not look into the light without protective eye cover it could cause severe eye damage. Fluorescent colour Mineral Location