Item#4 Amethyst

ametist.jpgdetaliu-ametist.jpg

Ametistul este o varietate de cuart, in carui structura cristalina s-au infliltrat impuritati (de tipul atomilor de fier, etc). Cea mai apreciata culoare este cea violeta (mov). Se folosesc ca geme. Indivizii cristalini (cuart drept si stang) evidentiata stresul mecanic la care a fost supusa mostra.

Amethyst is a quartz variety, the purple color is given by the impurities in the micro-crystal structure (by iron ions). The purple color is the most valued.


This item is dedicated to Dana H.

The photos can be used if source is acknowledged.