![](http://www.alamy.com/thumbs/6/1EB4FC6D-6460-45B7-A7CA-C34AAD8C1841/AM5C43.jpg)
Mineral Chalcedon
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Photo credit: © John Lens / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 2, 5, 6, 65, brasilien, chalcedon, color, crystal, crystalline, density, dichte, durchscheinend, farbig, find, fundort, gebändert, halbedelstein, hardness, indien, jewel, kante, kristall, krypto, kryptokristallin, madagaskar, micro, mikrokristallin, mineral, mineralogie, mineralogy, muster, pattern, piece, place, precious, quartz, quarz, red, rosa, schmuck, schmuckstein, siliciumdioxid, sio2, stein, stone, structure, struktur, strukturen, transparent, uruguay, ärte