Soo Jour. Sci., Dec., 1884, p. 447. 
foe ‘Zeit chri fir K 
300 General Notes. [March, 
Borocalcite (hayesine) Ca B, O, + 6aq = S B, of} + 5aq 
. Am BO, 
Larderellite Am, B,O,, + 4aq = 2 3H Bo: + aq ~ 
Sussexite R B, O, + aq = E i, o} (R = Mn, Mg) 
Szaibelyite Mg, B, O,, + 3aq = H if of 
Then might be added : 
Lagonite Fe, B, O, + 3aq 
regarded as merely substituted for Al or Fe. In warwickite it 
he hexagonal mineral from Soktuj, Urals, proved by Damour 
to be normal borate of alumina, and named by him jeremetewite 
(vid. Naturatist, June, 1883, p. 651), has since been inves- 
aragonite, while this pseudohexagonal core is surrounded by an 
: The monoclinic mineral, colemanite (vid. Natu- 
RALIST, September, 1884, p. 92 5), a hydrous borate of calcium 
closely allied to priceite, which was recently discovered at D 
i , has been crystallographically inves- 
mer the axial ratio is given as 0.7769 : 1 : 0.5416, B= 69° 43%’, 
observed planes + P, — P, — 3P, 3P3', IP aP Pa, oP 4, 2P 
to P, og Paa P do: co Pæ, OP. Jackson determined the axial ratio as 
0.774843 : 1: 0.540998, 2 = 69° 50! 45”. To the planes men- 
4P co, + Pos, — Pa, — YP, 2P2, 3PX, 4P2, aP3, 3P3, 3P3, — PZ 
and 4PqZ. In all thirty-one forms, of Witch twenty-four appeared 
oe puesitzungsberichte d. Kgl. preuss. Ak. d. Wissensch, Berlin, 1883, Neues Jahr- 
oS 
Min., etc., 1884, 1, p. I-17. 
 ? Neues Jahrbuch für Min., etc., 1885, 1, Po. 
. ographie, vinr, P- 2II. 
