Gemmology
English | Български
Where am I? > Home > Repository > Andesine


Gallery view selector

Colour selector
Simple colour schemeredorangey redreddish orangeorangeorangey yellowyellowgreenish yellowyellowish greenslightly yellowish greengreenvery slightly bluish greenbluish greenvery strongly bluish greengreen-blue or blue-greenvery strongly greenish bluevery slightly greenish bluebluevioletish bluebluish violetvioletbluish purplepurplereddish purplestrongly purplish redslightly purplish redcolourlessgreyblack
Andesine — specimen 0129, photo © NMNHS
Andesine — specimen 0129, photo © NMNHS

Andesine — specimen 0129

Origin

no locality data
Data

Weight: 0.43 ct; size: 5.03 | 4.98 | 3.24 mm; shape: round; colour: medium red; strong; clarity: eye clean; cut: good; treatment: diffusion.
Notes

Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.

Other specimens
Andesine — specimen 0305Andesine — specimen 0306Andesine — specimen 0410Andesine — specimen 0331Andesine — specimen 0320Andesine — specimen 0726Andesine — specimen 0727Andesine — specimen 0267Andesine — specimen 0342Andesine — specimen 0345Andesine — specimen 0278Andesine — specimen 0349

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.