292 Of Gems. Part III. 
~~~~ The JASPACHATES. Tis poliih'd, and fo figured, as 
to look like one half of a Pear, with the Stalk, Coar, and 
dead Flower cut out. Curioufly beautify 'd with Yellow, 
Purple, and Blood-red Spots, immerfed in the Horny and 
Semiperfpicuous colour of the.' Agate-, with which alfo 'tis 
equally hard. Thisalfois a kind of BLOOD-STONE: as 
all other Jafpers with red Spots. 
The JASPONYX. 'Tis poliih'd with an Oval Figure. 
Compofed of white Zones, befprinkled with White^Brown, 
and Red Spots. 
Another of a courfer kind, compos'd of Green and A/fc- 
folour'd Plates. Like that Marble defcribed by hjiperatm 
with parallel black Lines. 
The JASPAMMITES. So I call it 3 Having the Figure 
of the Ammites , with the Colour and Hardnefs of the 
Jafpis. For 'tis compofed of little orbicular Stones, fome- 
what bigger than a Pepper-Corn 5 all green without, and 
of a dark Purple in the centre. So as they feem alfo to 
have been once little crufted or fhell'd Balls, as thofe of the 
Ammites, hereafter defcrib'd. 
The Jafpis grows in India, PhrygiafThracia, and Bohemia. 
Next in hardnefs to the Agate. Sometimes fo big, as to 
be ufed for Statues. Of great efteem, as an Amulet, for 
the ftainching of all Hemorrhages. Of its Effecl: herein, 
fee fome Cafes mBoetius-, one of them a moft remarqua- 
r^)DeGem. ble one. {a) See alfo two others, in Mr. Boyle, Of Gems. 
llb ' 2,C,I ° 2, The fpecifick Virtues afcnbed to This and divers other 
Stones, feeming almoft incredible unto fome : Mr. Boyle, 
Pa t to render an intelligible Account of the fame 3 doth rea- 
178. ag ' 177 ' fonably fuppofe, That all opacous Medical Stones have 
been, fome Bolms, fome Ores of Metals, or Minerals of 
kin to Metals, fo advantagioufly alter d, as by application 
( c ) of the only to become Sanative, (c) The Green-Jasper is by fome 
r irtue ^ ?L preter d : but that which Boetius us'd in the Cafes above- 
172. mention d, was wholly Red, 
The NEPHRITICK-STONE. Of affinity with the 
Jafpis, and rather harder. Of feveral colours 5 but no 
one of two, nor any Red : for the moft part of a pale 
Green. It hath fome fofter parts intermixed, which make 
it look fometimes as if it were a little oily 3 and for which 
caufe it admits not of a perfect polifh. Of thefe here are 
two Species 3 firft, The 
