so 



A New Mineralogical Nomcnclahm 

 Genus 7. Marantalus.* 



H=3 — 6. G=3 — 3.9. Color darkened on exposure. Contain manganese 





and iron. 



Sp. 1. M. 



rhombohedrus, 



Spathic Iron. 



2. M. 



rhombicus, 



Junkerite. 



3. M. 



decrepitans, 



Diallogite. 



4. M. 



quadratus, 



Triflite. 



5. M. 



Fresnii, 



Hetepozitc. 



6. M. 



fusilis, 



Huravlite, 





Genus 8, 



Arealus.+ 





H=1.5— 5. G = 



2.6 — 3.8. Contain iron. 



Sp. 1. A. 



cubicus, 



Cube Ore. 



2. A. 



irimetricus, 



Scorodite. 



3. A. 



Argerrtifenw, 



Chenocoprotitc. D. 



4. A. 



rhombicus, 



Ttiphilinc. 



5. A. 



radiatus, 



Cacoxenitc. 



6. A. 



rhomboideus, 



Vivianile. 



7. A. 



divergens, 



Anglaritc. 



8. A. 



rhombohedrus, 



Pyrosmalitc. 



9. A. 



foliaceus, 



Cronttedlitc. 



Genus 9. Cobaltalvs. 



fl=l.S — 2. G = 3. Color some shade of red. Contain cobalt. 



Sp. 1. C. rubellus, Cobnll-Bloom. 



Genus 10. Gronalus.$ 



H=2-*45 



G=5.3 — 8.1. Color white, green, blue, or red. Contui 



n lead. 



Sp. 1. 



('. 



rhombicus, 



While Lead. 





2. 



C. 



quadratus, 



Corneous Lead. 





3. 



C. 



Vesuvianus, 



Cotwnnite. 





4. 



c. 



peritomus, 



Ccraxitc. 





5. 



c. 



acrotomus, 



Leadhillite. 





6. 



c. 



flexilis, 



Ihjo.njt'tlc. 





7. 



c. 



Angleseanus, 



Anglesite. 





8. 



c. 



amorphus, 



HcaynJianc. 





9. 



c. 



rcsiniformis, 



Pltimbo-resinite, 





10. 



c. 



hexagonus, 







11. 





var. 1. speciosus, 



Ft/romorphi/r. 





12. 





var. 2. alliaccus, 



Mimetene. 





13. 



c. 



pyramidalis, 



Molybdate of Lead: 





14. 



c. 



Vanadicus, 



I (inadalc of Lead. 





* MapmVi.i, to fade, alluding to the change of color the species undergo on 

 exposure. 



t Apnt, Mars, the alcherohitic name of iron, and 5X<, salt. 

 t Kpfvos, Saturn, the alchcmistic name of lead, and a\s, salt. 



