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 0410, photo © NMNHS
Andesine — specimen 0410, photo © NMNHS

Andesinespecimen 0410

Origin

no locality data
Data

Weight: 0.42 ct; size: 4.99 | 4.94 | 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 0129Andesine — specimen 0331Andesine — specimen 0320Andesine — specimen 0267Andesine — specimen 0342Andesine — specimen 0345Andesine — specimen 0278Andesine — specimen 0349

More information from ‘Classification’


A variety of albite; plagioclase feldspar with an albite:anorthite molar ratio ranging from 50:50 to 70:30.