COLORED cSTONE c- cCORRECT cANS✔✔Any cgem cmaterial cother cthan cdiamond.
GEMOLOGY c- cCORRECT cANS✔✔The cstudy cof cgems.
ORGANIC c- cCORRECT cANS✔✔Once cliving, cor cproduced cby ca cliving corganism c(plant cor canim
MINERALS c- cCORRECT cANS✔✔A cnatural, cinorganic csubstance cwith ca ccharacteristic cchemica
ccharacteristic cstructure.
INORGANIC c- cCORRECT cANS✔✔Composed cof, cor carising cfrom, cnon-living cmatter.
CHEMICAL cCOMPOSITIONS c- cCORRECT cANS✔✔Kinds cand crelative cquantities cof catoms ctha
DURABILITY c- cCORRECT cANS✔✔A cgemstone's cability cto cwithstand cwear, cheat, cand cchemica
LUSTER c- cCORRECT cANS✔✔The cappearance cof ca cmaterial's csurface cin creflected clight.
TRANSPARENCY c- cCORRECT cANS✔✔Degree cto cwhich ca cmaterial callows clight cto cpass cthrou
HARDNESS c- cCORRECT cANS✔✔How cwell ca cgemstone cresists cscratches cand cabrasion.
TOUGHNESS c- cCORRECT cANS✔✔How cwell ca cgemstone cresists cbreaking, cchipping, cand ccra
STABILITY c- cCORRECT cANS✔✔How cwell ca cgemstone cresists cthe ceffects cof clight, cheat, cand
CRYSTAL cSTRUCTURE c- cCORRECT cANS✔✔Regular, crepeating cinternal carrangement cof catom
CHEMICAL cFORMULA c- cCORRECT cANS✔✔Written cdescription cof ca cmaterial's cchemical cmak
TRACE cELEMENTS c- cCORRECT cANS✔✔Atoms cin ca cgem cthat caren't cpart cof cits cessential cch
AMORPHOUS c- cCORRECT cANS✔✔Lacking ca cregular ccrystal cstructure.
SPECIES c- cCORRECT cANS✔✔A cbroad cgem ccategory cbased con cchemical ccomposition cand cc
VARIETY c- cCORRECT cANS✔✔A csubcategory cof cspecies cbased con ccolor, ctransparency, cor cp
PHENOMENON c- cCORRECT cANS✔✔An cunusual coptical ceffect cdisplayed cby ca cgem.
GROUPS c- cCORRECT cANS✔✔A cfamily cof cgems cfrom cseveral cclosely crelated cmineral cspecie