118 Scientific Intelligence. 
the inner flame assumin a green color whic e deep wheat 
the mineral has lain for some time in water rag baba fuse even 
BB, othe. toa ara pec gee glass which when further heated 
O, whic 
which then becomes clear again and remains so on prolonged heat- 
ing. se reactions distinguish the mineral from natroborocalcite 
which colors the flame cd and gives a clear bead rendered 
much water. In the following analyses, the results under I, were 
from a nodule in anhydrite, those under IT, from several fragments, 
some perfectly dull, others lustrous in parts of the exterior. The 
iO, by heating with C nd HSO, O, was estimated by 
deficiency after gravimetrical determinations of mee other constitu- 
ents inthe regular way. Analysis of the air-dry har wea gave: 
& 
—— 
Water, 1151 1160-115 11-62 
Lime 28°90 28°90 28-04 
ote 1 aeRO OO SS 1:03 1-03 0°80 
oy trace 
Sili 15°12 15°27 15°19 15°44 
Boineie S010; Jo. Coa cee 43°33 4410 
100-00 100-00 
achhe soreet pa ie found in nodules in gypsum, is u 
ness that — first I thought it might io efflorescent 
ber salt, which I ha erly found here in the same m 
t is like soft chalk or ohana ie Its flame and. blowpipe re- 
actions, except that it does not decrepitate, are those of the harder 
mineral ; it gives the turmeric coloration the same way, and gel- 
sin similar ¢ eerteners. vet equal ease. alysis of a 
es like flour, he dad, en 
Water, 12°20 
Lime, 28°85 
2. Ip 3 RRS = d, 1°86 
Magnesia, 
Silica, 14-64 
Doracw ath oe 45 
