CRISOBERILO var. ALEJANDRITA * ¡CRISTAL FINO!¡!! Bahía, Brasil

EUR 47,13 2 Pujas 3d 1h 3m 53s, EUR 5,18 Envío, Garantía al cliente de eBay
Vendedor: sculpturstone ✉️ (13.254) 99.8%, Ubicación del artículo: Ceske Budejovice, CZ, Realiza envíos a: WORLDWIDE, Número de artículo: 196310878038 CRISOBERILO var. ALEJANDRITA * ¡CRISTAL FINO!¡!! Bahía, Brasil. ALEXANDRITE *  pleochoric crystal of alexandrite  * * nice specimen from classic locality * size: 11 X 9.7 X 3mm weight: 0.6g 1C6 origin:  Carnaíba mining district, Pindobaçu, Campo Formoso ultramafic complex, Bahia, Brazil Alexandrite, a strongly pleochroic (trichroic) gem, will exhibit emerald green, red and orange-yellow colors depending on viewing direction in partially polarised light. However, its most distinctive property is that it also changes color in artificial (tungsten/halogen) light compared to daylight. The color change from red to green is due to strong absorption of light in a narrow yellow portion of the spectrum, while allowing large bands of blue-greener and red wavelengths to be transmitted. Which of these prevails to give the perceived hue depends on the spectral balance of the illumination. Fine-quality alexandrite has a green to bluish-green color in daylight (relatively blue illumination of high color temperature), changing to a red to purplish-red color in incandescent light (relatively yellow illumination). However, fine-color material is extremely rare. Less-desirable stones may have daylight colors of yellowish-green and incandescent colors of brownish red. PRIORITY AIR MAIL SHIPPING TO WORLDWIDE 10-20 business days to deliver Shipping charges in accordance to weight

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PicClick Insights - CRISOBERILO var. ALEJANDRITA * ¡CRISTAL FINO!¡!! Bahía, Brasil PicClick Exclusivo

  •  Popularidad - 3 seguidores, 0.8 nuevos seguidores por día, 4 days for sale on eBay. Gran cantidad en seguimiento. 0 vendidos, 1 disponible. Buena cantidad de pujas.
  •  Mejor Precio -
  •  Vendedor - 13.254+ artículos vendidos. 0.2% votos negativos. Gran vendedor con la regeneración positiva muy buena y sobre 50 calificaciones.

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