‘The erystals are about one-fifth of an inch. indiana and 
are implanted upon quartz crystals, which last are attached toa 
surface of a brownish green coccolite. The quartz crystals are 
dark brown within, but coated by a thin layer of milky quartz ; 
and are about one inch in sen by one-fifth of an inch in di- 
ameter. 
The ticket to the specimen is marked thus: “ Magnet Cove, 
= atid § 21. Bias Rppiter'Oos Arkansas.” ay 
2. Ozarkite.* 
eee Carseat, lamin: (confused) nearly ‘anpalnalle 
Pectire unev 
- Lustre focble, yitpous to resinous. Color white (rarely bluish ) 
to flesh-red. Streak white. ‘Translucent. 
Brittle, Hardness 4:5. Specific gravity, 2°746. 
ae: in a glass tube before the blowpipe, it emits water very 
_ (Ignited in the state of powder, it loses 15:1 p. c., and 
the paren is left slightly cohering.) Alone before the blow pipe, 
it melts almost with the facility of eryolite, into a transparent col- 
orless glass. With borax, it dissolves into a transparent glass. . 
s Tt dissolves. freely. without effervescence, in nitric and in hy- 
drochloric acid, with deposition of silicic acid; and appears to be 
ms ices hydrate of lime and yttria, possibly also having traces 
thorina. 
At oceurs diffused in irregular v veins and ovoidal masses (about 
one-fourth of an inch diameter) through a flesh-colored eleolite, 
from. which mineral however, it is constantly separated by a thin 
layer of a red jasper-like substance, which is obviously distinct 
the two minerals it tends to separate; and may itself be 
an undescribed species. Its locality, like that of the Arkansite, 
teagae Cove, Hot ot Springs: Co., Arkansas. © 
8. poe ea ois 
Primm ipiiivs ‘Rhomboid. racickieibinkamsinewtt 
© speci besetpailieg i in the nearest relation to it, would seem to be the “Eschy- 
nite, which however is a titaniate of zirconia and cerium; but the properties of 
the two minerals when oureanies will at once show the impossibility of their be- 
8 included within the same 
“ae 2 Npsed from wg Guaric Mountains in 5 which extensive range its locality is sit- 
cS a 
“Prom Schork, dthastiers variety of tourmaline, and opas, no from its resem- 
Mulan, facture and among to that mineral. 
nay oo ae 
