2.708, 
4,262, 
4.254, 
2.989, 
2,982, 
3.263, 
4.684, 
4.211, 
4.330, 
3.829, 
3.336, 
New Specific Gravities of Minerals. 271 
Eugnostic caleareous spar. 
: Rutile of distinct semi-metallic lustre, from Freiberg. 
 Caleareous spar, from Schneeberg. 
Pyroxene of green color, from the greenstone in 
Voigtland. 
Axotomous iron ore, from Essex County, N. Y., 
America. 
Probably a new iron ore which forms with the above 
a uniform coarse granular mixture and resembling 
the magnetic iron ore. 
Flesh colored sulphate of barytes, from Freiberg. 
Yellow garnet of North America, identical with the 
aplome-garnet, from Franklin, N. J. 
A pyroxene distinctly prismatic, by the name of 
ferro-silicate of manganese, from Franklin, N. J. 
which bears great resemblance with the manganif- 
erous pyroxene, from Sweden, but is not identical. 
‘ Rosy calcareous spar, from Freiberg. 
Berthierite, from Freiberg. 
Tremolite, from New York. 
Polymorphous calcareous spar, accompanying the 
yellow garnet, from Franklin, N. 
Magnetical iron ore from the Uralian Mountains. 
Sideritic pyroxene or Jeffersonite, from N. J. 
The true Hedenbergit, from Tunaberg, Sweden, and 
appears to be in all its characters identical with 
Jeffersonite. 
Nordenskioldite, from Olonetz. 
The real Mesotype of Berzelius. 
Peach red calcareous spar, from Schneeberg. 
Pseudomorphous crystals of Gay Lussite, Mansfield. 
White hemidomatic pyroxene, from Finland. 
Sphene of changeable colors, from Tyrol. 
A massive brown iron ore, from Bohemia. 
Grey antimony, fine crystalized, from Freiberg. 
Zinciferous iron, from New Jersey. 
icaceous iron, from Tyrol. 
