A New Mineralogical Nomenclature. 



25 



Genus LO. Augitus. 



ORDER VI. HYALINEA. 



Genus 1. Andalusius. 

 H=7— 7.5. G=3. 1—3.2. 

 :Sp. I. A. prismaticus, Andalusite. 



Genus 2. Epimecius.* 



!H = 6 — 7. G=3.1 — 3.7. Crystals usually long arul slender. Color blue- 

 brown — white. 



Sp. 1. E. cyaneus, Kyanite. 



2. E. dissiliens,f Dias-porc. 



3. E. Sillimanianus, Sillimanite. 



4. E. Bucholzianus, Bucholzite. 



Genus 3. Turmalus. 



H=6.5— 8. G = 3.— 3.4. 



Color black — dark-brown — dark-blue — green- 

 red — white. 



Sp. 1. T. rhombohedrus, Tourmaline. 



Genus 4. 



H=7.5— 8 G=2.8— 3.1. 



Sp. 1. B. hexagonus, 



2. B. rhomboideus, 



3. B. rhombohedrus, 



Beryllus. 



( 'olor green — bluish — colorless. 



Beryl. 



Euclase. 



Phenacite. 



* 'En^/j/ivjj, very long. 



t Flying in pieces ; alludes to the action under the blowpipe. 



VOL. IV. 4 



