282 
Of gms. Part III 
("<z)Ind.Tav. 
lib. 2, c. xi, 
12,13, 14, 
1 5 - 
( h) Mr. Boyle 
Of Gems , 
р. 11. 
fc) Joh. de 
Laet L. de G. 
& Lap. 
(d) Boet. de 
Lap. & G. 
(e) Lib. 1. 
с. 43. 
(f ) Of Gems, 
p. 1 op. 
(g) Ib.p.n2 
call’d the Gany, about feven days journey from Golconda ; 
found out 100 years fince. They dig here not above 14 
feet deep. Sometimes above fixty thoufand Men, Women 
and Children at work. It affords the largeft Diamonds, but 
not clear: one fometimes above 40 Carats,i.e. H of an ounce. 
And there was one here found which weighed y 00 Carats 
( /. e. ff -) A Third, that of Govel. , a River in the King¬ 
dom of Bengala. The Diamonds are found in the land of 
the R iver, for the fpace of 50 Leagues. From hence 
come thofe fail pointed Stones called Natural Points : but 
not great. The Fourth, that of Succadan , a River in Bor¬ 
neo. tut there are none come from thence but by health. 
How die Indians prove, work, and fell their Stones, with 
other particulars, fee m Taverner e. (a) 
Rough Diamonds are often naturally figur’d into Trian- 
guLu I lams: a mark to know a right one by, (/>) as well as 
hardnefs. Many alfo of the belt are pointed with fix An¬ 
gles 3 fome, with eight; and fome Tabulated, or Plain, and 
Square, (c) Diamonds receive no hurt, but are rather mend¬ 
ed, by the late, (d) Some, faith Garcias , (e) being rub’d, 
will take up ftraws, as Amber and other Electrical Bodies. 
And Mr. Boyl (/) fpcaksofone of his, which with a little 
(notion attracts vigoroufly. Of another, (g) which by 
water made a little more than luke-warm, he could brin°- 
to fhine in the dark. 
I is the property of all true Diamonds , To unite the Foyle 
(b) Boet. de clofely and equally to it felf, (}:) and thereby better augment 
its luftre, than any other Gem. That which is called the 
Foyle, is a mixture of Ma/iici and burnt Ivory: The latter, 
Hmg one of the blackelt of colours 5 ufed by Painters for 
Velvet, the Pupil of the Eye, &c. 
The Water of thofe which are drawn,not from the Rock, 
but the Ground, commonly partakes of the colour of that 
OfGem ^ 1 '^ 01 1 01 < ^ rounc l (0 ant ^ fome are found as yellow as a 
p. 51 . fopaz. ( 4 ) 
(K) ib. p.35. Between the Grain and the Vein of a Diamond , there is 
this difference, That the former furthers; the latter, being 
fo infuperably hard, hinders the fphtting of it. Although 
it feems, that a Vein, fometimes is nothing elfe, but a 
Crofs-Grain. Our European Jewelers, when they fplit one, 
they take a very frnall iron Wyre, and having daubed it 
. with 
