Part III. Of Regular Stoner ■; 
A "YELLOW" TIN-SPAR from Ireland. Given by 
Sir Rob. Moray. The feveral Cryjials are angular, pointed, 
and foft; femiperfpicuous like' brown Sugar-Candy. Difio- 
luble with Acids. 
An Iron-SPAR. A Cluder of fmall, pointed Cryjials, 
almod of the colour of brown Sugar-Candy, but fader, and 
lefs perfpicuous. Tis hard enough to cut Glafs. 
ANOTHER, Mixed. In the middle,it hath many Striae, 
of a Lead-Ore colour, running crofs one againd another. 
Thefe are encompafled with other parts of the colour of 
yellow Okie. With which are alfo mixed fome white and 
green fpots. The Stone tadeth like white Vitriol. 
A large Copper-SPAR. Given by Mr. Langerman. ’Tis 
a * of a yard long, and near as broad. Confiding moftly 
of fexangular Points, upon a grey Bed, which is alfo mixed 
with Granulated Spars. The other fide, all befprinkled with 
yellow Mundick. 
A MUNDICK-SPAR 5 confiding of tabulated or fiat 
and fquare Cryjials , of the colour of Citrine Amber, and 
growing to a whitifh Matrix. 
Note, That almod all Spars of this kind, are compofed 
of tabulated, and fquare Cryjials. 
ANOTHER, confiding of black filming Cryjials, of the 
colour of Jet , and as broad as a Dice 5 and fome of them 
almod Cubical. Being broken, the fragments are of an 
Amethyjiine colour. There are alfo , underneath , fome 
whitilh Cryjials ; above, fome of yellow Mundick. 
ANOTHER, partly plated, and partly pointed , of a 
black fhining colour, like that of polidi’d Steel. ’Tis very 
ponderous, and rnaketh no Efjervefcence with Acids. Yet 
foft and brittle. Which three Properties, belong to mod, if 
not all, MundickcSpars. 
A SPAR with CONICK CRYSTALS. They are mod 
of diem an inch and f long. All very clofe and continuous, 
excepting at their Points,as in the d;;;ft/jy//.Scmipcrfpicuous, 
and exactly of the colour of the bed brown Sugar-Candy. 
Very foft 5 and eafily diffolved with Spirit of Nitre. It 
was taken out of a Portland-Stone 5 and given by Sir Rob. 
Moray. 
A SPAR with CRYSTALS TRIANGULARLY pointed. 
’Tis a pretty round Lump. The Cryjials fo placed, that 
R r 2 the 
