Instant Guide to Rocks and Minerals


Instant Guide to Rocks and Minerals

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SKU
GB-80000044
In stock
4 available
Weight
0.85 lbs
Retail Price
$5.24
Our Internet Price
$4.61 (Save 12%)

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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
  • AAPG Great Lakes Geological Highway Map (Illinois, Indiana, Michigan, Ohio, and Wisconsin)

    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. Illinois, Indiana, Michigan, Ohio, and Wisconsin.
    GM-5500671
    $12.00
  • Peterson First Guide to Rocks and Minerals

    Written and designed for the beginner, this book describes and illustrates the most common and interesting rocks and minerals, from simple sandstone to exotic gems. Illustrated with dozens of beautiful color photographs, it tells how these rocks and minerals formed and how to identify them--and includes tips on collecting.
    Illustrations: 175 color photographs, 12 line drawings
    GB-80000024
    $3.80
  • On the Rocks : Earth Science for Everyone

    Explore the fundamental forces of nature in this lively, engrossing panorama of earth and planetary science. Professor John S. Dickey takes you on a tour that begins with the stardust that formed the Earth and ends on the outer reaches of the galaxy. Along the way you'll read about the changes, both gradual and cataclysmic, that shape the Earth, about the lives of scientists and their discoveries, and a great deal about the nature of science itself. As enjoyable to read as it is informative, On the Rocks will change forever the way you understand the physical world that supports us all.
    Explore the fundamental forces of nature in this lively, engrossing panorama of earth and planetary science. Professor John S. Dickey takes you on a tour that begins with the stardust that formed the Earth and ends on the outer reaches of the galaxy. Along the way you'll read about the changes, both gradual and cataclysmic, that shape the Earth, about the lives of scientists and their discoveries, and a great deal about the nature of science itself. As enjoyable to read as it is informative, On the Rocks will change forever the way you understand the physical world that supports us all.
    GB-80000079
    $11.00
  • Guide to Eastern Rocks and Minerals

    What is the difference between a mineral, a crystal, and a rock? How was each formed? How can specimens be identified? These questions are all answered in this guidebook, which provides a basic introduction to rock and mineral collecting in the northeastern region. An invaluable tool for all beginners, it describes all the secrets of rockhounding: what equipment to take, where to look for particular rocks, and how to test specimens. Color photographs and tables listing physical and chemical properties of various rocks and minerals will help in identifying specimens. For the enthusiast collector, a list of names and addresses of the many rock and mineral clubs in the northeast is also included
    GB-80000112
    $2.61
  • Geology Crafts for Kids: 50 Nifty Projects to Explore the Marvels of Planet Earth (Ages 9-12)

    Like a volcano ready to erupt, the earth is brimming with fascinating, amazing, and beautiful things. Fifty remarkable projects and more than thirty sidebars filled with plenty of "Did you knows" allow curious kids to find the answers to lots of "Whys" and "How comes." They'll find out what causes earthquakes, how mountains are formed, where rocks come from, and much more. They'll explore the core of the earth with a geological model that's fun to build and delicious to eat (it's made of chocolate chips, jelly, a peanut butter mixture, and graham cracker crumbs!). The magic of minerals can be examined by growing crystals, making rock candy, or constructing paper models of crystals. These projects make learning fun! Who wouldn't want to make an exploding volcano, construct a seismograph that really works, build with homemade adobe bricks, or form fossils as detailed as the ones found in nature? Full-color photographs and step-by-step instructions are included for every project, with those that require adult supervision clearly indicated. Perfect for science fair competitions, extra-credit school work, or just for the joy of discovery, these wonderful activities will lead kids on their own "journey to the center of the earth" as they dig into the mysteries of our planet. Sterling/Lark 144 pages (all in color), 8 1/2 x 10. (all in color)
    GB-88000002
    $9.70
  • Ultimate Sticker Book: Rocks and Minerals (Ages 4-8)

    Author: A. Woolley
    • Gold, garnet, sandstone and limestone - this book contains beautiful stickers of over seventy different rocks and minerals, with simple descriptions and black and white line drawings to identify them. The stickers can be matched to the descriptions and placed over the line drawings, and there is a space to record where and when each rock or mineral was spotted.
    Ages: 7 years and up
    Size of book: 7 3/4 x 10 3/8 inches
    Pages: 24

    Our review: "The youngest child may just enjoy playing with the stickers. An older child can read the descriptions and will learn about rocks, minerals, and fossils."

    GB-88000018
    $4.46

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