Tenth Supplement to Dana's Mineralogy. 207 



published, in ^ 



prisms, with rhombohedral planes R and -172. Since the publi( 

 Heasenber-j hiis published, in No. 4 of his " N-Qtizen," an exami 





Aa analysis of the Texas n 



sho.v indistinct crvstaK Color, light blue to green. H.=5, Sp. gr.=2-707. Soluble 

 iQ acids. Compositioa: 



^Si Ca 2n S Oafe 



Oxygen, 13-87 -44 13 21 418 " "" 



mike? th" ^^■^''' ^"^ ^'' ^"'■"' ^ • ^ ■ ^^- '^^^ •?"'^°''' ^y "" ^'■'■"'' '" •=''^<="'a!'«° 

 that for the present we' may safely consider wagite a variety of this species. The, 

 only anomalous property is the specific gravity, which is considerably less than that 

 gi^en for Calamine. 



K [233, Il-Viri].— G. Tschermak has examined cancrinite, from Ditro 



T. = , j^j j^ j^^gg jj^^gggg^ ^jjj, podalite, ela'olite and ortho- 



; cleaves perfectly, yielding hexagonal prisms. H.=5- 



Ca Na fi C 



51 174 40 6-2 = 992 



not differing materially from the composition of cancrinite from the Ural and from 



ilaine.-(fi,^. Wi,^^ ^^.^^^ ^^^^ ig^^ 



CKavANTiTE [p. 1411.— T. L. Phipson has examined a native oxyd of antimony 

 rom Borneo, which is identical with this species (Camptes Eendus, lii, 752). It is 

 ^'-^ociated with stibnite, and occurs as a compact crystalline substance, of a yellow- 



"ght-rhomboidal prism, terminated by two planes with modifications ; they had a 

 »?n-volat'ile^and uSered^^trus^'^diJin^uTshing it" from^ SbOs- B.B. infusible, thus 

 «'ffenng from SbO,. Pure specimens were entirely volatile in the reducing flame, 

 '^ analyS, swM7mSaf !S%e SbOy^WitT'soda gives metallic antimony. 

 puriiE'™^" analysed contained stibnite, sulphur, oxyd of iron and alumma as im- 



G.=4-64-4-68 6500 8-75 1000 21-25 = 10000 



*»*ume^tharXw"it*irl?/pSn'^dwUh'^?L"i^ impurities 



'"entioned-Q. j. b.] 

 Chabazixe [p. 319, II].— Analysts oi chabazite from Obersteia gave G. Schrceder: 

 t. .?>. C« 6« S' *a i *g .«,=,„„.,„ 



