548 



VHILOSOPHICAL 



Talc, Venetian. Boyle 2.730 



D" J. C 2.657 



. . English. Woodward 2.600 



. . a piece like lapis Amianthus. Boyle 2.280 



A red paste. J. C 2 8+2 



A Brasil pebble, foul and feathered. Hauks. 2.755 

 D° a fragment uncut. Hauksbee .... 2.676' 

 . . cut. Hauksbee 2.591 



Jasper, spurious. J. C 2.666 



TRANSACTIONS. [aNNO 1748. 



A Cornish diamond cut. Hauksbee .... 2.658 

 A water topaz, very perfect, but said not 



to be oriental. Hauksbee 2.653 



Pebble, pellucid. J. C 2.64.1 



Bristol stone. Davies 2.640 



Hyacinth, spurious. J. C 2.631 



Selenites. J. C 2 322 



D° Newton '.?.25-> 



TABLE IV.— Of Stones ami Earths. 



Sardachates. J, C 



Lapis scissilis caeruleus. Muschenb. (qu. 

 if not the same experiment mentioned 

 before in tab. 2, a blue slate with 



shining particles. J. C.) 



Cornelian. Boyle 



D° J. C 



A hone. J. C 



D° to set razors on. Harris 



Marmor. Petit, (probably some mistake 



in the experiment.) 



Marble. Reynolds 



D° white. Hauksbee 



. . white Italian 



. . white. Boyle, fine. Ward. C. . . . 



. . white Italian. Oxford Soc 



.. black Italian. Oxf. Soc. veined L. . 



. . black. Hauksbee 



. . Parian. . L 



Lapis Amianthus, from Wales. J. C 



Turquoise, one of the old rock, very per- 

 fect. Hauksbee 



Turcoise stone. J . C 



Lapis Nephriticus. J. C 



Corallium rubrum. Freind 



Corall. J. C 



D" red. Boyle V. 7. o 



. . Boyle 



. . white, a fine piece. Boyle 



. . white, another piece. Boyle .... 

 Emeril stone, a solid piece. Hauksbee . . 

 Paving stone. Reynolds 



D° a bard sort from about Blaiden. Oxf. 



Soc 



A whetstone, not fine, such as cutlers use. 



Harris 



Pellets, vulgarly called alleys, which boys 



play with. Hauksbee 



English pebble. L 



Lapis Judaicus. Boyle 



Id. Freind 



Maidstone rubble. L 



Marbles, vulgarly so called, which boys 



play with. Hauksbee 



Moor stone. L 



3.598 



3.500 

 3.290 

 2.563 

 3.288 

 2.960 



3.937 

 3.026 

 2.765 

 2.7 18 

 2.710 

 2707 

 2.704. 

 2.683 

 2.560 

 2.913 



2.9O8 

 2.508 

 2.894 

 2.857 

 2.689 

 2 680 

 2.630 

 2.570 

 2.540 

 2.766 

 2.7O8 



2.460 



2.740 



2.711 

 2696 

 2.690 

 2.500 

 2.666 



2.658 

 2.656 



Agate. Boyle 



D° German, for the lock of a gun. 

 Hauksbee 



D» English. J. C 



Lapis. Petit 



Flint, black, from the Thames. Hauksb. 



Flint Stone. L 



A round pebble stone within a flint. 

 Harris 



East Indian, blackish. Item, an Eng- 

 lish one. Boyle. III. 243, a 



D° Oxford Soc 



Corall achates. J. C 



Purbeck stone. L 



Freestone. Reynolds 



Portland stone. L 



D° white for carving. L 



Grammatias lapis. J. C 



Onyx stone. J. C 



Slate, Irish. Boyle. Lapis Hibern. Davies. 

 Wood petrified in Lough Neagh. J. C. . 



Osteocolla. Boyle 



Heddington stone. L 



Alum stone. Boyle 



Bolus Armena. Freind 



Hatton stone. L 



Burford stone. Oxford Soc 



Heddington stone, soft. Oxford Soc. . . . 



Terra Lemnia. Freind 



Brick. Cotes 



B° Oxford Soc 



A gallypot. J. C 



Alabaster. Ward. C 



D° Oxford Soc 



A spotted factitious marble. J. C 



Stone Bottle. Oxford Soc 



A piece of glass (perhaps glazed) coffee- 

 dish of a brown colour. Harris .... 



Barrel clay. L 



Lapis de Goa. Davies 



Lapis ruffus Bremensis. Muschenb. . . . 

 An icicle broken from a grotto (probably 

 stalactites) Dr. Slare, in Harris .... 

 Chalk, as found by Dr. Slare. Harris . . 



2.640 



2.628 

 2.512 

 2.625 

 2.623 

 2.621 



2.610 



2.600 

 2.542 

 2.605 

 2.601 

 2.584. 

 2.570 

 2.312 

 2.515 

 2.510 

 2.490 

 2.341 

 2.240 

 2.204 

 2.180 

 2.137 

 2.056 

 2.049 

 2.029 

 2.000 

 2.000 

 1-979 

 1.928 

 1.874 

 1.872 

 1.822 

 1.777 



1.766 

 1.712 

 1.710 

 1.666 



1.190 

 1.079 



