Euklas - Eclipse Users' Keystrokes Lessened by Attaching from Samples
 Euklas (pronounced oy-class) is German for Euclase, a gemstone.
It is a beryllium aluminium hydroxide silicate mineral (BeAlSiO4(OH)).
It crystallizes in the monoclinic crystal system and is typically massive to fibrous as well as in slender prismatic crystals. [read more]