Bobs Geology Guide Series Quick Guide to Minerals


Bobs Geology Guide Series Quick Guide to Minerals

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SKU
FG-00000001
In stock
29 available
Weight
0.45 lbs
Retail Price
$7.95
Our Internet Price
$6.76 (Save 15%)

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Handy field guide to minerals. Laminated.
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  • Mineral Hardness Scale Ruler

    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.

    FG-00000005
    $3.17
  • Pocket Naturalist Geology

    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)
    FG-00000010
    $4.17
  • Barcharts QuickStudy Earth Science

    This color illustrated chart covers the basics of geology, meteorology, oceanography and astronomy to give the student of earth sciences a thorough overview of the basics of each. Clearly labeled illustrations of cycles and categories, and an inclusive text outline provide a quick refresher. Topics covered include Minerals, Rock Types, Mass Wasting, Water and The Water Cycle, Shaping the Earth, Plate Tectonics, Volcanoes, Earthquakes and a lot more.
    FG-00000102
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  • Barcharts QuickStudy Geogrpahy

    The newly expanded Geography chart includes many illustrations and diagrams to provide a better understanding of Geography. Colorful, inclusive, easy to read, this essential study guide covers many topics, including, World Climate, Physical Geography, Tectonic plates, Political, Cultural and Economic Geography. This is a guide for the student searching for a greater understanding of how the world functions as a result of geographic conditions.
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  • California (Northern Edition) Gold & Gems Maps - Then and Now

    Height 9.5'' Width 6.5''

    California Gold & Gems Maps, Northern Edition is a comprehensive collection to assist the rockhound in locating 40 gem sites. The source of information has been taken from numerous publications. All known types of rock and gem deposits could not be included because of the numerous types and locations would be overwhelming. Some of the reported gold and gold districts are included as far back as 1850.


    The first report of gold in California was published in Spain in 1510. California was believed to be an island north of Mexico where gold and precious stones were abundant. Gold was actually mined in California as early as the late 18th century but the "rush" did not begin until the discovery at Sutters Mill in 1848.


    Rock and Gem collecting in California is virtually unlimited as illustrated by the key symbols on each USGS map section. A few counties that host exciting deposits are as follows: Siskiyou, Trinity, Tehama and Plumas.


    The early maps included in this publication were located in various archival collections. The primary sources were the National Archives and the California State Library. The U.S. Geological Survey supplied the featured modern map. The design is planietric for clarity.


    Map identifies locations of: gold and silver, actinolite, agate, amazonite, amethyst, apatite, apache tears, argonite, azurite, beryl, calcite, carnelian, chalcedony, chert, chrysocolla, epidote, feldspar, flourite, fossils, garnet, geodes, hematite, jade, jasper, kyanite, malachite, obsidian, opal, orthoclase, petrified wood, psilomelane, pyrite, quartz, rhondonite, rhyolite, serpentine, topaz, travertine, tourmaline, turquoise, and wollastonite.

    GM-3100301
    $15.95
  • AAPG Mid-Atlantic Geological Highway Map (Delaware, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia)

    Learn more about the geological history of the rocks around you! This colorful, educational map presents state/regional surface rock outcrop information: age, depositional environment, rock type, and names of formations. Includes major highways, towns, and landmarks. Printed on a single sheet and folded to glove compartment size, has a stratigraphic column by state, mileage charts. Scale: 1 inch=30 miles. Delaware, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. Revised 1989.
    GM-5500664
    $12.00
  • AAPG Texas Geological Highway Map

    Learn more about the geological history of the rocks around you! This colorful, educational map presents state/regional surface rock outcrop information?age, depositional environment, rock type, and names of formations. Includes major highways, towns, and landmarks. Printed on a single sheet and folded to glove compartment size, has a stratigraphic column by state, mileage charts. Scale: 1 inch=30 miles. Texas only.
    GM-5500666
    $12.00
  • AAPG Pacific Northwest Geological Highway Map (Washington and Oregon)

    Learn more about the geological history of the rocks around you! This colorful, educational map presents state/regional surface rock outcrop information?age, depositional environment, rock type, and names of formations. Includes major highways, towns, and landmarks. Printed on a single sheet and folded to glove compartment size, has a stratigraphic column by state, mileage charts. Scale: 1 inch=30 miles. Washington and Oregon. Revised 1995.
    GM-5500667
    $12.00
  • DK Pocket Genius Rocks and Minerals : Facts at Your Fingertips

    This pocket-sized encyclopedia of nearly 200 of the most common rocks and minerals making up that make a a small part of the thousands of types of rocks and minerals making up our planet. Volcanic rocks, tough granite, sparkling diamonds, quartz, agate, meteorites, hardness, streak, color, transparency, luster, crystal shape, and facts are all this this handy encyclopedia.
    • Profiles of almost 200 rocks and minerals
    • High quality color images
    • Fascinating facts
    • Data section, Periodic Table of Elements, glossary and index.
    GB-80000098
    $5.01

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