metal detectors
metal detectors
-
41.
by David Cowley - 2008-08-31
Benitoite is a rare blue silicate mineral, found in hydro thermally altered serpentinite. Hydro thermally altered serpentinite is science speak for a type of rock that formed by cold submarine volcano...
-
42.
by David Cowley - 2008-08-31
Treasures are falling from the sky. A natural object originating in outer space that survives the impact with the earth's surface is called a meteorite. Most meteoroids burn up when entering the Earth...
-
43.
by David Cowley - 2008-08-31
If you grew up dreaming of searching for sunken treasure, you're not alone. Many young men and women have had dreams just like that, of searching the ocean floor for remnants of some sunken ship that ...
-
44.
by David Cowley - 2008-08-31
The Amethyst gemstones range in color from pale lilac to deep purple. Gemstones with the deepest colors are the most valuable and some of these fine gemstones are featured in the British Crown Jewels....
-
45.
by David Cowley - 2008-08-31
India and Idaho are the only two places in the world that star garnets are found. They range in size from a grain of sand to golf ball in size. Star Garnets display a reflection of the light with a fo...
-
46.
by David Cowley - 2008-08-31
Truffles is a mushroom that has formed a symbiotic relationship their environment. They grow underground among the roots of trees with only a few types of trees, such as cedar and maples that are not ...
-
47.
by David Cowley - 2008-08-31
According to Egyptian legend tourmaline gets it color when it passes over a rainbow on its journey up from the center of the earth and that is why it is often referred as the gemstone of the rainbow. ...
-
48.
by David Cowley - 2008-08-31
Do you have a hankering to find some Jade but you do not want to travel to China or South America for it? Well you are in luck; you can just pick it off the ground from Jade Cove which is located abou...
-
49.
by David Cowley - 2008-08-31
Turquoise is possibly the most valuable, non-transparent mineral used in jewelry. It has been mined since at least 6000 BC by Egyptians. Like other opaque such as coral, turquoise is commonly sold by ...
-
50.
by David Cowley - 2008-08-31
As with most gemstones the emerald can be created as the result of volcanic activity, where the extreme pressure and heat creates the gemstones. Another process knows as hydrothermal circulation, whic...
