compaction
compartment for rings -
compo
composite
composition , ; alloying ~
compound
compression
compressor
conch ,
conchiolin , ( )
conchite
consolidation
constituent , ; redusing ~ ; slag - forming ~
constitutional diagram
contaminant , ; trace ~
content , (); void ~
conterbore ,
conterdie
conterpart ,
conterpunch
continuous ,
contraction cavity
control
convex surface -
cooling
copal ,
cope - type induction furnace
coping saw
copper -
copper alloys
coppering
copperization
copper - nickel -
copper - plated
copy , , ;
coral , ( - ); , ,
coralloidal aragonite
cordierite , , ( ) , , , ; hydrous ~
core , ; female ~ ; male ~
coreless induction furnace
corindon
cornelian -
cornelian onyx -
cornerupine , ( ) , , , ; , , ,
coronet -
corubin ,
corugation
corundum , ( ); : , ; star ~
costly - ,
counter
coupon ,
covering flux
crack , ; contraction ~ ( ); drying ~ ; hair ~ ,
crank , ; shrinkage ~
cranny
craze
crazing
Creole earrings -
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cristobalite , Si 02
critical point
crocidolite , ;
crocodile skin case -
crocoite , ( );
crooking ,
cross
cross - cours spar
cross hatching
crossed polar
crown , ,
crown brooch -
Crown jewels -