Please enable JavaScript to view this page properly.
Introduction
Classification
Repository
Library
English |
Български
Where am I? >
Home
>
Repository
>
Labradorite
Gallery view selector
Colour selector
Labradorite — specimen 0677, photo © NMNHS
Labradorite
—
specimen 0677
Origin
East Africa
Madagascar
Data
Weight:
3.31 ct;
size:
9.75 | 6.17 | 5.21 mm;
shape:
rectangle;
colour:
light grey;
clarity:
translucent;
cut:
excellent;
treatment:
none.
Notes
Clean specimen; design ‘Rectangulum Cab’, excellent cut by Tan Pen.
More information from ‘Classification’
Labradorite
A variety of anorthite; plagioclase feldspar with an albite:anorthite molar ratio ranging from 30:70 to 50:50.
Gemmology — gemstones
Front page
|
Introduction
|
Classification
|
Repository
|
Library
© 2025
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.