Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
wpdiamonds.com


Advertising Information





Glossary of Terms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL



Staurolite twin
Form of penetration twinning where two monoclinic crystals form interpenetrating twins at 90º, forming a cross. Named after the mineral Staurolite, which most frequently exhibits this form of twinning. (Staurolite crystals may also twin at angles other than 90º, such as 60º.)



Staurolite Twin

© www.johnbetts-fineminerals.com - All Rights Reserved.



< Back