Valley 3 lb Fiberglass Handled Crack Hammer


Valley 3 lb Fiberglass Handled Crack Hammer

Details

SKU
HW-02000203
Manufacturer
In stock
32 available
Weight
4.20 lbs
Retail Price
$14.12
Our Internet Price
$12.00 (Save 15%)

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Quantity
(from 1 to 32)


Head is drop forged, heat treated with a cambered, fully polished head. Meets A.N.S.I specifications Fiberglass handle with an anti-strike cuff.
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    The Mineral Hardness Ruler is a stimulating visual aid, educates in one phase of mineralogy, and provides the standard ruler measurement scales needed in classes.


    Rockhounds, mineral enthusiasts, students, teachers, geologists, and any one interested in rocks and minerals will find the Mineral Hardness Ruler a handy visual aid for quick information on mineral hardness.



    The two-sided, flexible, glossy, vinyl ruler consists of five scales: three measurement scales and two mineral hardness scales. The measurement scales are in standard ruler measurements of tenths of inches, sixteenths of inches, and millimeters. Mohs' relative hardness numbers are integrated into the inch scales, while a separate scale exists for an absolute mineral hardness scale by Rosiwal.


    On one side of the ruler are pictures of the ten common minerals, in full color, selected by Mohs for his relative hardness scale. On the reverse side of the ruler are six common items with their relative hardnesses. These items, along with known minerals, can be used as a handy field kit to test the relative hardness of an unknown mineral.


    Hardness is one property of a mineral that can be used to distinguish among similar minerals. A given mineral can scratch any other mineral of the same or softer hardness. Over a hundred years ago, the German mineralogist Frederick Mohs devised the relative hardness scale that has found favor with mineralogists for over a century. Others, such as Rosiwal, formed absolute hardness scales using the same minerals as Mohs. For example, diamond, the hardest substance in Nature is not twice as hard as apatite, 10 versus 5, but over twenty thousand times as hard, 140,000 versus 6.5.

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    Geology, An Introduction to Familiar Rocks, Minerals, Gemstones & Fossils, is a must-have reference guide for beginners and experts alike. With this indispensable guide, learn how to identify common species of North American rocks, gems, minerals and fossils. Maps show the distribution of familiar rocks and minerals across North America. Also, included are helpful tips on how to begin, where to look, tools and methods. The Pocket Naturalist series is an introduction to common plants and animals and natural phenomena. Each pocket-sized, folding guide highlights up to 150 species and most feature a map identifying prominent sanctuaries and outstanding natural attractions. Each is laminated for durability. (31/2 X 81/4 folded, opens to 22 X 81/4, color illustrations, maps)
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  • Valley Soft-Touch 20 oz Chisel Edged Rock Hammer

    Valley Soft-Touch 20 oz Chisel Edged Rock Hammer

    The Valley Chisel Edge Rock Hammer, sometimes called a Paleontologist's Hammer or Fossil Hammer, has a 20 ounce head and is constructed of one piece drop forged steel with continuous forging grain flow from head to shaft. The two-tone Soft-Touch Rubber cushioned grip is shock absorbent and non-slip. The Valley Chisel Edge Rock Hammer is very similar to the Estwing 20oz Chisel Edge Rock Hammer. It differs from the Estwing mostly in the design of the grip and it is a bit shorter. The chisel edge doesn't have as much bend or bow to it as does the Estwing Chisel Edge Rock Hammer. The Valley Chisel Edge Rock Hammer has a square faced striking head on one end and a chisel edge on the other. The chisel edge is used for splitting layered rock such as shale and slate into flat sheets, usually when hunting fossils. Made in China but it's high quality. We've sold over 1300 and never had a return. The Valley Chisel Edge Rock Hammer is a great tool for the professional or recreational geologist, paleontologist or any rockhound and will last you a life time.

     

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    Cheap enough that you can throw one in each of your vehicles just in case you come across an interesting roadcu.., er..., outcrop.

    The Prospector's Rock Hammer is for light duty or use with soft rock. The hammer head is pressed onto a tubular steel handle. Since it isn't one solid piece of drop forged steel like the Valley Rock Hammer or Estwing Rock Hammers it can't be used for prying out specimens. As with any two piece hammer, after a little use the head will become detached from the handle. Best used as a hammer for young children without the upper body strength to really swing a hammer with any force. Consider this a toy or a one time use hammer.














    Head Width Overall Length Head Weight Total Weight
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