EARTHS. SILICEOUS. 55. QiiartzuEs. ^63 
With the furface oneven by fhailovv pits, of 2 common 
form. ^ 
Found in HungcP'V, Bobsmia, near Frejhirg; and Scbnecburg in 
Saxm/f, and v» the rjuarries of AWj/trv.* co'our generally 
whitilh, rarely violet or ofhraceouf ; mollly diapi'. anous, 
though foHietunes opake : the pits or hollow, very numerous 
and cubic, lately parallelepipid or triedo- pyramidal, or Iphs- 
rical or tabular. 
Perforated with deep rqttitded hollows, of a common 
form. 
KariUn Lejke ntheral. I p. 98 , 99- 
Found near Freyburg in Saxoiy, and near Bchemnitr. in Hungary: 
colour white, gfcyilli, or ochraceotis t the hollows generally 
narrow, and fomeiirnes flezuoas. 
"■era*!. pull of ntimeroiis very minute empty hollows and cavities, 
of a coraipon form. 
Jiim, inJ. ff/t, I. p 2b. 
Found in the ininesof Hungary', white, violet, or dull greenilh. 
Lamellar, with the plates contiguous, placed at various 
angles with each other and forming cells, of a com- 
mon form. 
Born inii.fi/s. l.p.Zj. Karfen Lejh. I./. 19.98. 
Cellular quartz, Kir^nn miner. » . p. 244. 
Cellular quartz- Jame’/an mituraLi. p, 155. 
a. With limple 3.Cded rells. 
b. With limple 4 lided cells. 
c. With fiaiple b-fided cells. 
d. With ninple man.'-fideci cells. 
c. VVIth fiinple rounded cells, fjmetinies minute like fpongc. 
f With fiinple cells psfljug into gyrations. 
g. With double cells. 
Found in Siberia near CatharhnpoUs, in Hungary near Chemmi%. 
and Kioplium, in Bchemiti near Joachimllhol, in Saxony near 
Scbneehirg and Freyburg, and the Palatinate: colour ibme* 
times white, fonietimes more or kfs tinged with oxyde of iron. 
‘“tttUesum, Lamellar, with the plates parallel, of a common form. 
Quartz, tillilc lantellat. ^y/i. nat. xii. 3. /. 66. n. 5 ? 
Burn. ind. fojf. p.ze,. 2. p. 91. 
Lamellar quartz. Kir-van miner. 1 . p. 244. 
Lamellatctl quartz, Sclmeijer miner. \.p. 93, 
Found hear Schemmx, in Hungary, and in the mines oF Bohemia:- 
colour milk-white, white, violet, or brown : rarely yellow 
and blue ; the foliado.ns are fometimes very thin and com- 
pafted together. 
X 2 
