Ametriini Bolivia 19mm
Ametriini (Bolivia)
Reference # | 240015 |
Light source | Studio Daylight |
Clarity | Eye clean |
Shape | Pear |
Cutting | Viistehionta |
Length | 19.00 mm |
Width | 11.30 mm |
Depth | 7 mm |
Weight | 8.38 cts |
Origin | Bolivia |
Ominaista : kirkas läpinäkyvä pisara hiottu ametriini, jossa violetin ja keltaisen sävyjä.
Ametrine is the trade name given to an unusual variety of quartz which exhibits the colors of amethyst and citrine side by side. The material has received a good deal of publicity and was first said to be mined in Brazil. Later it was reported to have come from Bolivia. |
| Known Facts | |
| Color Key: | purple, violet, yellow |
| Refractive Index: | 1.544 - 1.553 |
| Chemical Composition: | SiO2 |
| Hardness: | 7 |
| Density: | 2.66 |
| Crystal Group: | Hexagonal |
| Ocurrence: | Brazil, Bolivia |
hakusanoja:ametriini,ovaali,jalokivi,jalokivet,bicolor
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