SILVER, with

Marble white 10000 to 8681 -- 9200

Marble common ---- to 7912 -- 9040

Stone calcareous hard ---- to 7436 -- 8580

Gres ---- to 7361 -- 7767

Glass ---- to 7230 -- 7212

Lead ---- to 7154 -- 9184

Tin ---- to 6176 -- 6289

Stone calcareous soft ---- to 6178 -- 6289

Clay ---- to 6034 -- 6710

Bismuth ---- to 6308 -- 8877

Porcelain ---- to 5556 -- 5242

Antimony ---- to 5692 -- 7653

Oker ---- to 5000 -- 5668

Chalk ---- to 4310 -- 5000

Gypsum ---- to 2879 -- 3366

Wood ---- to 2253 -- 1864

Pumice-stone ---- to 2059 -- 1525

Buffon's Natural History. Volume 10 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c · 第 14 / 45 题