13 
jaspers; porcelain jasper, &c. Scotch and other ROOM vni. 
plain and striped flints, cut and polished. Precious Nat.Hist. 
opal of brilliant colours, disseminated in a dis¬ 
solved porphyritic mass : serai-opal : variety 
vulgarly called Oculus mundi, becoming trans¬ 
parent when immersed in water (a polished oval 
piece in a case); common opal. Pitch stone i 
tuberose stone or meniiite, from Menil Montant, 
near Paris, where alone it has hitherto been 
found. Woodstoneor petrified wood (in one of the 
specimens the pores are completely preserved;. 
Calcedony in stalactical and other forms: an 
egg-shaped piece of calcedony, containing water 
(enhydros) ; cacholong, or calcedony in a state of 
decomposition, &c. ; cavnelians : a druse with 
red quartz crystals ; a case with rings of mocca 
stones, &c. 
( Div.6 .) Various agates : jasp-agates, fortifica¬ 
tion agates, onychine agates, moss agates, &c. 
Mealy zeolite ; mesotype, stilbite, analcime, cuhi- 
cite, &c. cross stone (Harmotome). Large oval 
piece of azure stone (lapis lazuli). 
(Div. 7-) Soapstone or steatite ; a species of 
jade of which the Chinese carve figures and small 
vessels : nephritic stone, called axe-stone, front 
New Zealand, where the natives make hatchets-, 
&c. of it. Precious and common serpentine, 
diallage, smaragdite, &c. Common or Venetian 
m tale. 
