BUILDING AND ORNAMENTAL STONES. 



637 



Page. 



Compact common limestone, characters of. 372 



Composition of sandstones SOt 



of the atmosph<iro ;i:!6 



of theniicas 295 



Compressive resistance of stone 490 



Conchoidal fracture 521 



Concretionary, detinition of 522 



Conglomerates, characters of 444 



definition of 522 



Connecticut, diabase in 434 



granites in 412 



marbles in 376 



sandstone qnarrying in 289 



sanrtstones in 44ti 



serpentine in 303 



specimen of biotite muscovite gneiss 



from 530 



specimen of biotito muscovite granite 



from 530 



specimen of diabase from 531 



specimen of granite from 531 



specimens of biotite gneiss from 530, 531 



specimens of biotite granite from 529, 530 



specimens of dolomite [marble] from... 529 

 specimens of hornblende biotite gneiss 



from 531 



specimens of sandstone from 531 



Conover, Professor, on limestone in Illinois. 394 



Coquina, detinition of 522 



Coral limestone, definition of 522 



rock, composition of 37'j 



Cordierite granite 408 



Corea, box of mottled yellowstone from... 631 



disk of yellow marble from 631 



specimens of opbiolito from 631 



stone-pencil jar of yellow and green 



marble from 631 



Cost of cutting stone 510 



Crandall, used in stone-working 330 



Crinoidal limestones 373 



Crystalline, definition of 522 



limestone, characters of 371 



rocks 302 



Crystallized gypsum 370 



Cubical expansion, cooflicient of 341 



Curb, definition of ,'■,22 



Curvature and fracture 342 



Cutting and dressing stone 313 



and polishing stone, methods of 609 



out the corners in quarrying 323 



stone, cost of 5 10 



Cuyahoga shale in Ohio 456 



D. 



Dacite, characters of 44O 



Dakota, sandstones in 448 



specimens of quartzite from 531 



Dana, Professor, on dikes of diabase 433 



Delaware, granites in 413 



marbles in 370 



serpentine in 364 



Delaw;ire, spocimous of augite hornblende- 

 gneiss from 531 



Bpecimensof dolomite [marble] from ... -Wl 



Page. 



Delesse, on color of serpentine 361 



Density of rocks 302 



Deoxidatiou, process of 338 



Diabase, character and structure of 432 



chemical composition of 433 



Connecticut ; 434 



definition of 522 



Maine 434 



Massachusetts 435 



New Jersey 435 



Pennsylvania 436 



specific gravity of 433 



structure of 304 



Virginia 436 



Diamond channeling-niachiue 324 



gadding-raachlne 325 



Dikes, definition of 522 



of diabase, occ urrence of 433 



Diorite, characters of 439 



chemical composition of 439 



definition of 522 



derivation of name 439 



specimens from Colorado 528 



Dip, definition of . 522 



joints in rocks 310 



Disintegration of granite 340 



District of Columbia, soap-stone in 358 



specimen of steatite [soapstoue] from.. 532 



Dix Island, granite quarries on 416 



Dolomite, characters of 374 



definition of 522 



Dolomites, chemical composition of 371 



origin of 371 



varieties of 371 



Dolomitic limestones 373 



Dressing of specimens for exhibition 277 



Dressing stones, methods of . 353 



Drilling holes for splitting stone 314 



Drills and drilling-machines 320 



Drove used in stone-working 330 



"Dry," definition of 522 



Durability of stones, comparison of 349 



E. 



Earthy rocks , 306 



Eclipse rock-drill ,. 321 



Effects of friction on stone 335 



of growing organisms on stone 335 



Egleston, Professor, on abrasion of stone .. 335 



Egypt, granite of Syene 4(54 



specimen of nummulitic limestone from 630 



specimen of onyx-marble from.. 630 



specimen of porphyrite from 630 



specimens of granite from 630 



Egyptian onyx 475 



End joints in rocks 310 



England, Bath oolite in 477 



export of slate to 291 



Portland stone in 473 



serpentinous rocks in 473 



specimen of serpentine from 616 



specimens of slate from 616 



Enstatite 433 



Eolian marble in Vermont 388 



Epidote, characters of 299 



