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Graphite from Colombo, Sri Lanka

Graphite, the softest mineral, and diamond, the hardest mineral, are both composed of pure carbon. Their different properties result from the way the carbon atoms are arranged in their crystal structures. Graphite is so brittle that merely rubbing it on a surface causes tiny particles to break off. Thin cyllinders of graphite are therefore used in writing instruments, i.e. the 'lead' in pencils. Graphite occurs worldwide, but excellent material is known from the vicinity of Colombo, in Sri Lanka.
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Titel:
Graphite from Colombo, Sri Lanka
Untertitel: Siehe automatische Übersetzung
Graphite, the softest mineral, and diamond, the hardest mineral, are both composed of pure carbon. Their different properties result from the way the carbon atoms are arranged in their crystal structures. Graphite is so brittle that merely rubbing it on a surface causes tiny particles to break off. Thin cyllinders of graphite are therefore used in writing instruments, i.e. the 'lead' in pencils. Graphite occurs worldwide, but excellent material is known from the vicinity of Colombo, in Sri Lanka.
Bildnachweis:
Album / Science Source / JOEL AREM
Freigaben (Releases):
Model: Nein - Eigentum: Nein
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Bildgröße:
3855 x 2553 px | 28.2 MB
Druckgröße:
32.6 x 21.6 cm | 12.9 x 8.5 in (300 dpi)
Schlüsselwörter: