70 EARTHS. TALCOSE. 5. Hornb’lenda. 
Found in fcattered pieces in the Ifland St. Paul, on the Laira' 
dore coaft: colour greyilh-black, with fometimes a /hade oi 
coppcry-red or iron grey, according to the direction of the 
light : fraClure moftly carved and foliated. 
lasahlna. Shining, hardilh, leaving a greyilh-white flreak, when 
broken longitudinally exhibiting ftraight lamrllir 
pieces, cryftallifing into fmall 6 and 8-fided pnfms 
terminated by 3 fided pyramids. 
B.faltine. Kir’wan mine al. \ - p Z19. 
Bafalt Hornblende. SebnzeiJJer mineral- l. p, 1S3, 
Bafaltic Hornblende. Thomfon'i chemidry, 3. p 543. 
Found in Bafalt, TufFe, Wacite, and Lavas, in moft parts of 
Europe, to which it adheres very clofely ; colour black, 
greeniih-black, dark green, or ycHowiih-green j of a Ihining 
, furface when broken; melts before the blow.pipt into a 
grcyilh enamel with a tmge of yellow : contains fiiica c8, 
alumina 27. iron 9. lime 4. magnefia i, Bergman. 
