Ametriini, 1ct
Ametriini
Alkuperä (todennäköinen) : Brasilia
Paino ( ct noin ) : 1
Mitat ( mm noin ) : 6 x 5,9 x 4
Hionta : viistehiottu
Puhtaus :VVS
Erinomainen Erittäin hyvä Hyvä ”kakkosluokkaa”
Hionta X
Loisto X
Väri X
Ominaista : kirkas läpinäkyvä smaragdi 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
