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Classification of Minerals


Classification of Minerals

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SKU
ED-00002253
In stock
3 available
Weight
3.10 lbs
Retail Price
$81.96
Our Internet Price
$69.67 (Save 15%)

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(from 1 to 3)


This collection includes examples of silicates, oxides, sulfates, phosphates, and other major mineral groups as classified in Dana's Textbook of Mineralogy. There are 50 specimens approximately 1" x 1", each specimen is labeled for identification and categorized.

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  • National Audubon Society Field Guide to North American Rocks and Minerals

    Perfect for mountain climbers and hikers, this valuable reference covers more rocks and minerals in North America than any other available guide. 794 full-color photographs depict all the important rocks, gems, and minerals -- in many variations of color and crystal form -- and the natural environments in which they occur; written descriptions provide information on field marks, similar rocks and minerals, environment, areas of occurrence, and derivation of names. Includes a guide to mineral collecting and a list of rock-forming minerals.
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    Height 9.5'' Width 6.5''

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  • Deluxe Moh's Mineral Hardness Pick Set

    The Deluxe Moh's Hardness Pick Set now comes in two case types. The wooden case is small enough to carry and the top screws into the base to make a perfect desk stand. The plastic case is longer but the thinner size makes it easier to carry in your field tool set.

    Hardness is an important and quantifiable physical characteristic of a mineral and in your effort to identify an unknown mineral, the hardness, if known, combined with other properties, can narrow your search to just a handful of possibilities. Simply scratch a smooth surface of your unknown mineral with the picks of various indicated hardness. As an example, if a No. 5 pick scratches the mineral, but a No. 4 pick does not, then your mineral hardness is 4.5. Then compare this against a table of minerals listing hardness values to aid in identifying the unknown mineral.
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    • An attractive, mahogany-finished and compact wooden case.

    • Complete usage instructions.


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    • Compact. The wooden storage case is only 7" tall by 2.5" wide.

    • Also use to test hardness of various materials encountered in the industrial,
      excavation, and archeological fields.

    • 1 Year Warranty
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  • Roadside Geology of Arizona

    The rise of mountains and the spread of deserts has marked the geologic history of Arizona. Landscapes that we see today are here because of landscapes of the past, and because of tremendous forces deep within the earth, forces that carry continents into collisions and then drag them apart again, forces of heat and pressure and the slow churning boil of the earth's interior. Landscape features result, too, from more comprehensible, more recent forces: the unending attack of water and wind and frost, the building of volcanoes, the short-term geologic happenings like landslides and rockfalls, earthquakes and floods, and a gopher digging a hole...
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    This collection with rock types and associations with the North American continent contains 50 specimens with each group represented: igneous, metamorphic, and sedimentary. Specimens are approximately 1" x 1",number coded in compartmented container.

    The current collection contains:
     
    IGNEOUS ROCKS
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    Siltstone-CO Sandstone-CO
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    Bituminous Coal-WY Arkose-CO
    Gypsum-CO Shale-CO
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    Dolomite-CO Sandstone-banded-WY

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    The BelOMO 10x21mm(.85") triplet loupe magnifier has a viewing area of 0.65 inch (17mm), much larger than the Bausch & Lomb Hastings Triplet Magnifier. The 3 elements making up this achromatic triplet provide a bright and clear view. The 10x power magnification provides the best magnification to depth of field ratio and is the most popular power for a hand held magnifier. The housing and cover are machined metal and coated with a matte black finish and assembled using flathead screws. Belorussian Optical and Mechanical Association (BelOMA), makers of sights for guided weaponry, camera lenses, and other optical components manufacturers these loupes.

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    Don't let this price fool you. The BelOMO loupe is a FANTASTIC buy. These are quality lenses that stand on their own against the higher priced competition. Take advantage of the recovering Belarus economy and a military supplier finding other revenue streams in a capitalistic market. Over 10,000 other geologists, rockhounds, stamp collectors, botanist, surgeons, hobbyist and people from all walks of life have.
     
    Unsure? We encourage you to just Google BelOMO and peruse the rich praise for this loupe.

    Each BelOMO loupe we ship is custom treated to prevent the screws from coming loose with usage.

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