28 A New Miixralogical Nomcncla-tttrs. 



Sp. 8. M. quadratus, (Erstediu. 



9. M. rectangulus, Polymignite. 



Genus 5. Columbus. 



H=5.5 — 6. G=5.8. — 8. Contain cohimlriiim. 



Sp. 1. C. hemiquadratus, Fergusonite. 



2. C. Berzelii, Yttro-Columbitc. 



3. C. rectangulus, Columbhe. 



Genus 6. Uranius. 



H=5.5. G=6.4 — 6.5. Contain uranium. 



Sp. 1. U. amorphus, Pitchblende. 



Genus 7. Wolframius. 



H=6 — 5.5. 0=7.1 — 7.4. Contain lungsttn- 



Sp. 1. W. rectangulus, Wolfram. 



Genus 8. Manganus. 



H=l — 6.5. G = 3.1 — 4.9. Contain manganese. 



Sp. 1. M. acrotomus, Haitsmannilc. 



2. M. peritomus, Braunite. 



3. M. informis, Psllomclanc. 



4. M. Cuprifcrus, Cujnxous Manganese. 



5. M. rhombicus, Manganite. 

 G. M. prismaticus, I'l/rolusitc. 



7. M. Cobalticus, Earthy Cobalt. 



8. M. terrenus, Wad. 



Genus 0. Siderus.* 

 H=4— 6.5. G = 5.2— 5.3. Contain iron. 



Sp. 1. S. Chromicus, Chromic Iron. 



2. S. fibrosus, Crocidolite. 



3. S. Hisingeri, Hisingerite. 



4. S. rhombicus, Yenite. 



5. S. haematicus.t Brown Iron Ore. 



6. S. rhombohedriis, Specular Iron. 



7. S. octabedrus, Magnetic Iron Ore. 



8. S. Zinciferus, FranJclinitc. 



* Ei(i>ipos, iron. 



t "Af/mriKiJt, bloody, in allusion to the color of the powder. 



