BAILEY. | Chemistry of Gypsum. 149 
Analyses of Gypsite (Gyspum Earth). 
MARLOW, I. T. 
A sample of the crude gypsite, from which ‘‘ Royal’’ is made, 
has the following composition :” 
Silrcarandpinsolulblemesidiey seein eee eee 10.67 
Ihrem, aiaGl alten, O=AClES .o2ob0od00b0nndcdoscouobboaser 0.60 
(Raia aoe hOp.aV6 VS 1.5 gay oo UR NEY eT CRLSL Snes CSE ROE ANT NG 30.20 
Vita ome siuiay od Commie ners attention cls mrhlaine vaie ve eeeie anes oiaytels 0.51 
Sulla cha rilasy ceil yee owyeperc Mey vaierelsd Weceees, ah claly lave yeaa dunle 34.98 
Carbonidioxiden(calculated)) aes ee een ninee oie: 5.08 
NWV EMEP Nels 2 is alan esiehatel an Ry eae BSCE ft SSL Sn 16.59 
MI BYGSLEEEH bess ss ol Biel UR ONES pve tet Pt Ue RSet REDO 98 .63 
Combining the above constituents, the probable composition 
would be: | 
Silicavancdeinsoluolesre sii Omran eeeew rnin er rane ewe 10.67 
ibRorm, ancl alkanonrranwyan, OSCE Js ss o66dscvecc code soansaandoos 0.60 
IMIS eTOSTUNEN CHOOSES 44 oi Goldleooue bob oodbo Ko mobumusobaEe Ho) 
Calciumycarbonatee eee eee DANAE AUN MORAL Searete Rh luigk| 2 Lens OMIT 
Galciuamaiysullyo tet yey tas een vary seu en AB wal aes ale 59.46 
NWWETTETE 3s be cishihg ee ose RRB H Gee RE IA TEI ae a gs ee PN wi 16.59 
4 DON REW LS. Cars alah exes laine aan rene nen OS Pn a Bea OU AL reg Oa 98 .63 
GYPSITE FROM DILLON. 
Gypsite used at the mills of the Salina Cement Plaster Com- 
pany:” 
Silicarandsincsolublesresiduei en seen eien ico nna 12, 3 
Tron and aluminum oxides........... ALIEN tat es UE EE AY Wel Tae 0.99 
Cal ciumvoxideeeanen iis Oates SE WONG MU Me hk MT RBA PO 29.14 
IM LERCH NAIA... 3 ha ‘o cociel & htoies Huy ARGON eC Renin iat tLe Dar ann ae 0.42 
Sully uni cpamilny dic eemcwyar ws see wears a. rine he 37.49 
Canbonidioxden(calculated) mene eee ae hia eae et 2.03 
AVCHD Bll oie okt INYO er eR Re 16.75 
ATOR Gi Se hg alts Bley RRR Re eC RRO EY PRE ee rE OI 98 .95 
After combining the above ingredients in the most probable 
compounds, the results would be as follows: 
SilicarandsinsolubblepesiGgitemnne etre eereente ance easee. 1983 
[Linon BAC) AilenaMnwyAn OXACWS 4 ca dbnsooceubccde code obbeedos 0.99 
IM Lenora SSuin NAN, CHIH OO IONEY 5 6514 6)s Some dee cleo ddan meee pEao Oude 0.88 
Wall ciummekCannonmatetra nse rye aout Neate meskes eC Ne co. B35 NT 
Calcium sulphate. .... 64.63 
WHVERUSIES Sd ierlelb ccs Lo eens Ob SCS EIEN OR EARNED AS on ONeein ate ST Re 18.75 
A INORBEW ais esses lepine oe Ri a ll eR eee a Ne oo 98 .95 
75. Analysis by Bailey and Stafford. 76. Analysis by Bailey and Whitten. 
