A New Mine i ulogical Nomenclature, 



23 



ORDER V. CHALICINEA. 



Genus 1. Mica. 

 H=2— 4.5. G =2.6— 3.1. Structure highly foliated. 

 Sp. 1. M. margarina*, Margarite. 



2. M. hexagona, 



Black Mica. 





4. M. obliqua, 



Common Mica. 





Genus 2. 



PHYLLINIUS.t 





H=3.5— 6. G=2.6 



— 3.4. Structure foliated. 





Sp. 1. P. Schilleri, 



Seh tiler Spar. 





2. P. aereus, 



Bronzitc. 





3. P. Seybertianus, 



Seybertite. 





4. P. metallinus, 



Hyperslliene. 





Genus 3. 



VuLCANUS.f 





H=3.5 — 6. G=2 — 2.7. Species volcanic or amijgdahidal, sometimes 



granitic. 



Sp. 1. V. rhomboideus, 



Hculandile 





2. V. fascicularis, 



Slilbitc. 





3. V. Thomsonianus, 



Thomsoni/c. 





4. V. hemiquadratus, 



Etlingtonitc. 





5. V. rhombicus, 



Natrolitc. 





6. V. peritomus, 



Mesotypc. 





7. V. crispans, 



Scolezi/c. 





S. V. strarnineus, 



Cttrp/wlite. 





9. V. tenax, 



Di/sclasite. 





10. V. acutus, 



Epistilbite. 





11. V. Brewstcrianus, 



Brcivstcritc. 





12. V. flabelliformis, 



Mcsoiite. 





13. V. Comptonianus, 



Comptoiiite. 





14. V. quadratus, 



A-pophyllitc 





15. V. efflorescens, 



Laumonite. 





16. V. gemellus, 



Harmotomc. 





17. V. Pbilipsianus, 



Philvpsite. 





18. V. cubicus, 



Analcimc. 





19. V. dodecalicdtus, 



Soilalitc. 





20. V. trapezohedrus, 



Lcucite. 





21. V. rhombohedrus, 



Chabazite. 





22. V. Levyanus, 



Lcvyne. 





23. V. exfolians, 



Gmclinitc. 





24. V. dystomus, 



Datholitc. 





* Alludes to the pearly Idstre. 



t 'I'iXXoK, a leaf, in allusion to the foliated structure of the species. 



X Refers to the occurrence of the species in rocks of igneous origin. 



