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Rocks and Minerals Nature GuideRocks and Minerals Nature Guide Have the world in your hands with these compact, affordable, illustrated natural history guides Did you know culinary salt is the mineral halite? Or that the pigment vermillion is powdered cinnabar, a mineral whose name comes from the Persian for "dragon's blood"? Discover the extraordinary mineral treasures that form our planet and that today we use in everything, from makeup and cookery to agriculture and high tech.

bicycle riding

GPX-4500 & GPX-4000) enables you to mount the detector battery on the side of the control box without the long power cable getting in the way

and is particularly good for those with dry skin

Brand new to the market

tracks in more challenging environments than GPS alone

24 September

Having written the bestselling STEM Starters for Kids series for b small

In the box

A higher capacity 1250 GPH 12 volt American made pump

Hand made - dimensions may change slightly

this new edition will prove invaluable to researcher

black and white