[49^] 
count given of the making of Sea-Salt by Infolation-, 
Nor could I obferve it in the leaft in diftilling oi Sea-- 
water in a Glafs fiill, or in the Torkjhire ftinking Wellsj of 
which a good quantity isyearly made for M^^^V^/ u(e or 
rather Curiofity to vend to Strangers. 
N. B. This Sand falls to the Bottome before the Salt 
grains. 
This is fo alfo in all other Mineral Salts, whofe Brines 
being boiled, ever let go firft this flony part: thtOkar falls in 
powder upon the firft boy ling but the Lapis Calcarius rifes 
in flakes like /^^/^r/, which yet falls in powder by froft, as 
we have elfewhere obferved. 
3* This Stone powder irrigated with fair water and 
kept moift doesyeild an immature Salt of an uncommon 
figure^ which I have defcribed at large and figured'^. 
4. Notwithftanding the great Affinity betwixt the Salt 
of the Midland Brine-Pits which is Common Salt, and the 
Sea Salt : Imuft not omit ( amongft others ^ ^ a fpecificl^ 
Difference, which is by me,(that I know of ) now firft pub- 
liftied, and which, in my Opinion, rfiakes the Sea-Wa- 
ter, a Water of its own kind: and alfo fliews that none 
of the Produdions of incinerated Plants are truely a 
Marine Salt, 
The Angles of the Cryftals of Common Salt, boiled out 
of the Midland Brine-Pits-, as alfo of Sal Gem or B^c\ 
Salty which I take to be one and the fame,are intire,and fo 
are all thofe Lixiviated-marine Salts fo called and de- 
fcribed by Dr. Grew. But the Angles of the Cryftals of true 
St a Salt are ever fome of them cutoff into Triangular 
planes, at leaft on one of the fides. And this I learnt, by 
fufferring a Bottle oiSea Water, taken up upon the Coaft at 
Scarborough where no rivernear enters it,to evaporate lea- 
furely placed in the fhade, after it had been half boiled 
away : and here all the Cryftals ( which were many, 
c Phil.Tranf. N.j-i. cl DeFontib. Med.Angl. edit. 2. e N. P. The InlandBrine 
Pits jeild no; bittern, of which fee Mr. Collms* p- 54» 
and 
