坦桑石分级.docx

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坦桑石颜色评定:
b级
Tanzantte clci* cetai . &.■.田
Round Cut

Grade B detail
Grace 3 Gerrrster
从国外的网站上摘录下来的 大家一起学习学习
坦桑石颜色评定:
b级
Tanzantte clci* cetai . &.■.田
Round Cut

Grade B detail
Grace 3 Gerrrsteres are a igm blj：sh purple cclcr
with good brilliance, good cut, good polish, little or nc co ter
zoning and ha a'thrity rating of ■. ery slight^ ：neluded'.
Our -anianrts gemston-s hacesri subjected tc trasrticral
h«ttr«tn>ent5.
Tanzanite
close detal > iec； l±J
Round Cut
2J&mm
Grade A detail
Grade 土 ^anzanitt Gemsiones are a freJium light bluish purple c©lor with geed tritliar c^. good cut. gocJ polsh, little or ro cclcr zoning and na s clarity r^T rg Eye Citai
Our-^nzandt gemstones ra,• subjects tc trad^cna
aa级
r..uuiiiin
CkCSS I - E
Tanzanite
Round Cut
Grade AA detail
J
1
f Grade 二.--ar^ia^rte Gemaicnes are-a (Titdium ciu：sh purple ccior with good brilliance, seed cut. go^d poli&n, little or no
color zoning ana ha,e a clarity rating cf Eye Clean. Cur eTanzar rte gennstones have been subjected to trad ton si heat treatmtnts.
aaa级
close 心前..-.园
Tanzantte
Round Cut

Grade AAA detail
Grade "AAA"T8nzflnite Gernstones are a iredium darK b^u&h purple ccicr ch goo= Nlliiarce ccod cut,. 5000 polish, no eolerzentng and ha, = a cl3rt\' rjtng cf Loup? C^sn. Qur -andante genstenes & b=sr &ub/ect&d tc trad