15dm476 ((TOPAZ)), $10 MINIMUM BID, San Luis Potosi, Mexico, 2.9 x 1.3 x .8 cm, Thumbnail, | |
Here is a thumbnail sized double terminated Topaz from Mexico. Unlike the Utah Topaz, Mexican Topaz is not light sensitive and does not loose its color when exposed to sunlight over a period of time. ex Dennis McMurdie collection. |