IMPERFECTLY EXAMINED MINERALS. 243 



ALPHABETICAL LIST OF PROPOSED SPECIES WHICH ARE 

 NOT YET FULLY ESTABLISHED.* 



AESCHYRITE. Sp. Gr. above 4. ? Color blackish. 



ARSENICAL ANTIMONY GLANCE. H. 2-0...3-0. Sp. Gr. 6-2. L. 



pale vit. C. tin-white. 

 ARSENICAL BISMUTH, Werner. Soft. Heavy. C. dark hair-brown. 



L. res. 

 ARSENIC GLANCE, Breit. H. 2-0. Sp. Gr. 5-2...5-S. C. lead-grey. 



Compact. 



B. 



BISMUTH BLENDE, Breit. 



BISMUTH COBALT-ORE. H. 4-0.. .5-0? Sp. Gr. 4-5.. .4-7. L. met. 

 C. lead or steel-grey. 



BISMUTHIC SILVER. Soft. Sectile. L. met. C. light lead-grey 

 In acicular crystals, massive and compact. 



BREISKLAKITE, Monticelli. In delicate, reddish brown, capillary 

 crystals. 



BUSTAMITE, Brongniart. H. 6-0. ..6-5. Sp. Gr. 3-1. ..3-3. C. light- 

 grey, greenish or reddish. In reniform masses. 



C. 



CALCAREOUS HEAVY SPAR, Breit. Sp. Gr. 4-0. ..4-2. Effloresces. 

 CARBONATE OF BISMUTH. Sp. Gr. 4-3. C. grey and brown. Earthy. 

 CHALKOSIDERITE, Ullmann. 

 CHAMOISITE, Berthier. Sp. Gr. 3-4. C. dark greenish-grey. Earthy. 



An impure Magnetic Iron-ore ? 

 CHLOROPHJEITE, Me Culloch. H. 1-5. Sp. Gr. 202. C. dark-green. 



Dull. In small imbedded globules. 

 COBALT VITRIOL, Kopp. L. vit. to pearly. C. flesh or rose-red. 



Trans. Taste astringent. 



* ABBREVIATIONS. 



Berzel. for Berzelius. C. for color. L. for lustre. 



Breit. " Breithaupht H, " hardness. Strom. " Stromeyer. 



