Correction in the Coddington magnifier is achieved through the use of a single thick lens with a central groove diaphragm. This provides for sharp, crisp images.A swing-away, nickel-plated case protects the lens and serves as a handle.
The beam has a fairly narrow focus and unlike a traditional blacklight, most of the light produced by the UV Photon is just outside the visible spectrum (370 nm). In full darkness it will cause objects to fluoresce at distances of 20 feet or more. In bright daylight the effectiveness is greatly reduced, but is still usable at about 6-12 inches.
Limited to stock on hand. Estwing has eliminated the ERC line of rockhounding chisels. A new line will be available in a few months.2 3/8" wide blade chisel.
The Raytech Tumble-Vibe 5 Vibratory Tumbler (Model TV-5) is economical and versatile.
Thousands of satisfied customers testify to the durability and simplicity of the Tumble-Vibe 5. Mated with a spare bowl, and a GSH-2 Stone finish Kit, the new TV-5 Starter Kit is a must for any beginner.
This new kit comes complete and ready to operate with a motorized base, two bowls, clear lid, 2 rubber nuts and all the grits necessary for accomplishing the grinding step through the final polish step of most gemstones. The (4) steps that are included are Silicone Carbide (100/1200) Silicon Carbide (700F), Iolox 50, Raybrite TL (GS-H2 Stone Finish Kit for hard rocks and minerals). There's enough grit for 8-15 pounds of stones. This new compact system will handle a myriad of applications. (Polished stones for illustration only. They are not included with this tumbler.)
Check out this article on Vibratory Tumblers
This popular low-cost unit is a favorite of the hobbyist and is used commercially as well. Vibrating rock tumblers process rocks 5 times faster than rotary rock tumblers. See results in days rather than weeks! This vibrating rock tumbler will process about four pounds of rock in it's .05 cu ft (3 pint) bowl. Bowl diameter is 8" and has a new convenient solid lid system. Shipping weight is 12 lbs., 1.05 cu. ft.
Chisel edge rock hammers are typically used when you want to split layers of rock apart when looking for fossils.
|Head Width||7 inches|
|Overall Length||11 inches|
|Head Weight||24 ounces|
|Total Weight||1 pound 14 ounces|
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