N. 3482449
Gemstones; DeAgostini - Schatten van de aarde [Treasures of the Earth] - 80 installments in 3 binders - 1998/1999
N. 3482449
Gemstones; DeAgostini - Schatten van de aarde [Treasures of the Earth] - 80 installments in 3 binders - 1998/1999
Multiple authors, translated by Theo Jorna - Schatten van de Aarde, de mineralen- en edelstenenverzameling [Treasures of the Earth, the collection of minerals and gemstones] - 80 installments in 3 binders with 7 cassettes with a total of 140 gemstones and minerals - Amsterdam, DeAgostini (Netherlands) B.V., 1998/1999 - 1st Dutch edition - pagination from AA/OO - size 29 x 32 x 6.5 cm (binder) and 30 x 23 x 4 cm (cassettes).
Lots of photos and extensive information on every page, about characteristics, origins, and properties of stones (group, crystal system, chemical formula, hardness, density, fission, breaches, colour, stripe, luster, and fluorescence).
In every volume, there is an extensive discussion of one or more subjects, ranged according to the following themes (each theme will always be discussed):
-Minerals
-Gemstones
-Fieldwork
-History of the earth
-File
In the cassettes you will find various gemstones/semi-precious stones, and minerals. Some stones are included twice, in case there are variations due to the site where they were found.
For example: emerald, rhodonite, topaz, rubellite, diamond, ruby, zirconia, lolite, agate, sapphire, almandite, opal, rhodochrosite, moonstone, kopal, verdelite, bowenite, ruby, galenite, azurite, korund, colemanite, steatite, wollastoniet, sodalite, sfalerite, ludwigite, staurolite, lepidolite, aragonite, vanadinite, hemamorphite, nephrite, apatite, coral, unakite, chrysokolia, and lots and lots more.
Condition: binders and content in mint condition; boxes with minerals: content and inside in perfect condition, only some scratches on the plastic covers.
(total 10)
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