13 
jaspers ; porcelain jasper, &£. Scotch and other room viii 
plain and striped Hints, cut and polished. Precious 
^ r , Nat. Hist. 
opal of brilliant colours, disseminated in a dissolved 
porphyritic mass ; a large opal set in a ring : semi¬ 
opal : variety usually called Oculus mundi, be¬ 
coming transparent when immersed in water (a 
polished oval piece in a case). Pitch stone : tube¬ 
rose stone or menilite, from Menil Montant, near 
Paris, where alone it has been hitherto found. 
Woodstone or petrified wood (in one of the 
specimens the pores are completely preserved). 
Calcedony in stalaotitical and other forms: an' 
egg-shaped piece of calcedony, containing water 
{enhydros}; cacholong, or calcedony in a state of 
decomposition, &e. ; carnelians: a druse with 
red quartz crystals ; a case with rings of mocca 
stones, &e. 
(Din. 6.) Various agates : jasp-agates, fortifi¬ 
cation agates, onyehine agates, moss agates, &c.— 
Mealy, fibrous, foliated zeolite; cubicite, <kcl 
cross stone (Harmotome Hally). Large oval 
piece of azure stone (lapis lazuli). 
(Div. J,) Soapstone or steatite : a species of 
jade of which the Chinese carve figures and small 
vessels : nephritic stone, called axe-stone, from 
New Zealand, where the natives make hatchets, 
<kc. of it. Precious and common serpentine, 
diallage, smaragdite, &c. Common or Venetian 
h talc 
