48 General Notes. 
sented by the italicized small letters, a, h, c, and the axes of elasticity 
by the italicized capitals A, B, C, the latter indicating respectively 
the axes of greatest, mean, and least elasticity. — New Minerals. — 
Stilpliohalite is a transparent, pale greenish-yellow mineral, crystal- 
lizing in the form of a dodecahedron, that was obtained from a drill- 
hole at the depth of thirty-five feet below the surface of the alka- 
line deposit at Borax Lake, California, It was associated with 
hanksite, and only one specimen was secured. The only two other 
specimens known to exist are in the collection of Mr. Bement, of 
Philadelphia. The mineral has been examined by Messrs. Hidden 
and Mackintosh.^ Its specific gravity is 2.489, and its hardness 3.5. 
Its composition is represented by Nag (| SO^. i CI3) or 3 Nag 
SO4 +2 Na CI, a formula analogous to that of the rare mineral con- 
nellUe, which is thought to be a copper sulphato-chloride. — Auerlife 
is a new thorium mineral from the zircon mines in Henderson 
County, N. C. It is described by Messrs. Hidden and Mackintosh ^ 
as occurring in disintegrated granite and gneissic rocks, intimately 
associated with zircon, and frequently implanted upon this mineral 
in parallel position. The color of the new mineral on a fresh frac- 
ture varies between a lemon-yellow and a brownish-red. Its weath- 
ered exterior is of a dull yellowish-white. It has a waxy lustre, is 
subtranslucent to opaque, and is very brittle. Its hardness is 2.5-3, 
and its specific gravity 4.422-4.766. In crystallization it is tetrag- 
onal with the simple P and 00 P faces. Its composition corresponding 
toThOs \^v.hJs H^Ois: 
HnO.COs SiOa Ps-Ob ThOg FesOg CaO MgO ALOs 
11.21 7.64 7.46 70.13 1.38 .49 .29 1.10 
Auerlite thus appears to be a thorite in which part of the SiOo has 
been replaced by PoOg— the first recorded replacement of this kitid 
in mineralogical lite'rature. — Two new sulphantimonites are reported 
by Mr. Eakins ^^ from Colorado. The first was found at the 
Domingo mine, Gunnison County, in aggregates of small acicular 
dull grayish-black crystals in the cavities of a gangue composed 
of siliceous material and calcite. Its analysis yielded : 
As Cu Pb Fe Mn Sb S Gangue 
ti° tr. 39.33 1.77 tr. 36.34 21.19 .52 
corresponding to (Pb Fe)3 Sb^ Sg. The second is also found in 
little groups of crystals, of a bright steely-gray color. The indi- 
vidual crystals are larger than those of the first mineral, and occur 
together with pyrite and sphalerite in a siliceous gangue. Their 
composition is Pbg Sb^ S,i, resemhling freieslebenite in which the 
silver has been replaced by lead. Analysis gave : 
' Am. Jour. Sci.. Dec, 1888, p. 463. 
