Please enable JavaScript to view this page properly.
Introduction
Classification
Repository
Library
English |
Български
Where am I? >
Home
>
Repository
>
Andesine
Gallery view selector
Colour selector
Andesine — specimen 0726, photo © NMNHS
Andesine
—
specimen 0726
Origin
no locality data
Data
Weight:
0.44 ct;
size:
5.18 | 4.53 | 3.70 mm;
shape:
hexagon;
colour:
medium dark red; very slightly brownish;
clarity:
slightly included;
cut:
excellent;
treatment:
diffusion.
Notes
Slightly included specimen; design ‘Hexamixtum S 41-32’ [pavilion angle changed to 45.00], excellent cut by Tan Pen.
Other specimens
More information from ‘Classification’
Andesine
A variety of albite; plagioclase feldspar with an albite:anorthite molar ratio ranging from 50:50 to 70:30.
Gemmology — gemstones
Front page
|
Introduction
|
Classification
|
Repository
|
Library
© 2024
National Museum of Natural History, Sofia
(NMNHS)
Use of this website assumes acceptance of our
terms of use
.
The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.