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Collection: Directories and Documents > Pamphlets

Minerology Handbook by Eckert Mineral Research Prospector Supplies (PH 2-2) (28 pages)

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MINERAL COLLECTION FOR GEOLOGICAL STUD) HARDNESS SCALE—This collection includes the first nine mineral: in the scale, the diamond being omitted. Cardboard box 6x9 inches 9 specimens. Specimens size.1%4-in. plus, loose numbered in compartments $1.50 Specimens size 14%2x2-ins. $2.00; size 2x3-ins. ..... $5.00 RAINBOW ASSORTMENT—This assortment has streak plate provided A necessary aid in detecting similar appearing minerals. Careful choice is Made to cover the range of color. A key to a very important branch of determinative mineralogy. Cardboard box 6x9 ins. 9 specimens, loose, numbered in compartments, size 1-in. plus $2.00 9 speeimens, loose, numbered in compartments, size 2-in. plus $3.00 9 specimens, loose, numbered in compartments, size 3x4-in. plus 12.00 LUSTER COLLECTICN—15 specimens illustrating kind and degree of luster. In cardboard box 9x12-in., loose, labeled in compartments. specimen size 1%x1-in. plus ..... $3.50 SEDIMENTARY and ALTERED ROCKS—Each specimen chosen for Jlefinite types from localities known to geology. Color, grain and texture emphasized. A good assortment attractively arranged for class room work. Important to the study of these very necessary useful economic helps to better living. Cardboard box 6x9-in., 25 rocks. Specimens %4-in. plus, loose, numbered in compartments........ $3.00 Specimens 1%4-in. plus, loose, numbered in compartments ...... $6.00 METAMORPHIC AND IGNEOUS ROCKS—Each of a definite rock form chosen as close to types as possible. These samples are taken from localities famous for the particular rock named. Know your rocks Cardboard box 6x9-in., 25 rocks. Specimens 34-in. plus, loose, numbered in compartments ........ $3.00 Speciment 142-in. plus, loose, numbered in compartments ...... $6.00 MINERALS USED IN THE MANUFACTURE OF GLASS, EARTHENWARE CHINA AND FIRE-PROOF BRICKS—15 specimens 1%4 x2” plus in compartment box 9x12x1’. Prepaid Price .................-.... $4.00 COLLECTION OF BADIOACTIVE MINERALS—9 specimens in compartment box 6 x 9 x 1” Size of specimens 1” plus. Can not be shipped through mail. Express prepaid $4.50 (Continued on inside back cover)