A New Mirieralogical Nomenclature. 



O 



27 



5p. 5. C. dodecahedrus, Garnet. 



G. C. quadratus, Zircon. 



7. C. rhombobedrus, Eudialyte. 



8. C. decussatus,* Staurotide. 



9. C. rhombic us, Os&ranite. 



ORDER VII. SCAPTINEA. 



Sp, 



Genus I. 

 H^3.5— 7. G=3.2— 6. 



1. R. Brucii, 



2. R. quadratus, 



3. R. obliquus, 



4. R. pyramidalis, 



5. R. Brookianus, 

 G. R. octahedrus, 

 7. R. dystomus, 



RuTILUS.t 



Color dark-red — hrownish-btack. 



Red Zinc Ore. 



Rutile. 



Sphene. 



Anatasc. 



Brookite. 



Rea\ Copper Ore. 



Pyrochlorc. 



Genus 2. Jovius.f 



H = 6 — 7. G = C.5 — 7.1. Contain tin. 



Sp. 1. J. quadratus, Tin Ore. 



Genus 3. Ceritus. 



H=5.5 — 6. G = 3.1 — 3.2. Contain cerium. 



Sp. 1. C. rhombobedrus, Cerite. 



2. C. rhombic us, 



Genus 4. 



H = 2.5— 6.5. G 



Sp. 1. M. triclinatus, 



2. M. Thoriferus, 



3. M. acicularis, 



4. M. (lammans, 



5. M. obliquus, 

 G. M. Laugieri, 

 7. M. Mengianus, 



Thulite. 



MeLANOPHjEUS.§ 

 -2.1 — 5.6. Color brown — black 



Allanite. 



Thorite 



Orthite. 



Pyrorthil 



Gadolinite. 



Titaniferotu Cerite. 



„ Eschynite. 



• Crossed like the letter X ; alludes to the commonly cruciform crystallization 

 of this species. 



t Red and shining. 



X From Jupiter, the alchemistic name of tin. 



§ MtXas, Uack, and <f>at6s, brown. 



