{ i6i ) 
But to return to the Salt of Sdowdr, one finds fome- 
times in the Cuts, Allies of Rock-Salt of the moft 
delicate blue and yellow Colours : We obferved, that 
of the firft Colour being expofed to the' Sun for fome 
Days, loft entirely all that beautiful Ultra Marine, 
and became white as the other Rock-Salt, which did 
not happen to the Yellow, which preferved its Colour ; 
but when you pound them both together, the Salt was 
neither Blue nor Yellow, but produced a Salt extream- 
iy White. 
MeViJf antes in his new Geography, Page 228, 
•fpeaking of Salt-works, which the Spaniards have in 
Catalonia^ fays, that there is Rock-Salt, the Colour 
of which is fo diverfified, that it comes near the Rain- 
bow, in having green, red, yellow, and blue Colours, 
■but that by firft preparing, and then grinding it, it 
became white. The fame Thing happened alfo to the 
red Rock-Salt of SaJtshurg^ which being pounded 
became White. 
There is in this Mine one very remarkable Thing, 
that is, a Chapel, which is able eafily to contain a 
hundred People, cut in the Rock-Salt, with an Altar, 
a Pulpit, a Sacrifty, Chairs, and Forms cut in the fame 
Rock. They celebrate once every Year, the Week af- 
ter the Epiphany^ Divine Service in this Chapel. It is 
always a Jefuite of Eper who preaches the Sermon. 
This Service was founded for theOfiicersof the Excife, 
and the Miners. 
There is in thefe Cuts, four Fountains of Salt Wa- 
ter, which they put into Buckets made of Buffalo’s 
Skins fewed together, and draw it up by an Engine 
worked by Horfes, and convey it by Pipes into the 
Boilers, where they put the Rock-Salt to diftblve, 
which 
