1°. 
2°. 
3°. 
4°. 
5°. 
6°. 
188 SEVENTH REPORT—1837. 
TABLE 
Exhibiting the characters of those substances which are known 
stalline forms in both states 
Formula. How obtained. Density. Hardness. Fracture. 
Sulphur A & s A by subliming, B by|1:99 to 2:05| 1°5 to 2°5 ...| Conchoidal a 
B ccasscseeres fusing Sulphur or granu- ‘ 
lar } 
GC) Rissaccenenees .-| By pouring Sulphur ? Soft and tena-|...-.scescescereee| 7 
at 200C. into Cold cious 
Water .' 
Phosphorus P Distilling Acid Phos-| 1-77 Séctile cheers icant 
Berea Posi phate of Lime with ‘4 
Charcoal ¥ 
———_Bhrrseccecsereevere : 66°C. Sef iscrcdtostsogse os ir: Sustcvecanecena 
Fusing A at { 150F. 
and suddenly cool- 
ing 
Sulphuret off Sb. S; Found native, also by|4°5 0 4°7 |...scceccssececesleeeeees sCeaeeussts 
Antimony A heating B 
Do. (Ker- |..... Gonscosacce By suddenly cooling|4°15 Harderthan A| Conchoidal... 
mes) B...... A when fused, or 
by precipit. from 
Antimonial Solu- i 
tions 
Bisulphuret Hgs, By subliming B...... 8:098 2° CON2D eeonen DO. seseeveen 
of Mercury 3 
(Cinnabar) 
A 
Do.(Ethiops]........+ee+ee08 «| Throwing down H}.......cseesses ? Granular...... 
Mineral) B from its solutions 
by HS, or cooling 
A suddenly 
Bichromate | KO+2CrO, | By fusing Chrome|2°6027 ? Kr.)....... geteseen Sol deateaien mms oc ee 
of Potash A 
Tron with Nitre... f 
B Do. Fusing A and allow- 2 ae |b seescoeccsees ; 
ing it to cool 4 
Sulphate o KS+ Cus Fusing the two Salts|......sesceeceee ? ? : 
Potash and together 
Copper A 
Do. Formed when_ the] ..ccccsscscees ? ? 
fused mass cools to 
about 60°F., 15°5C. 
