Gems & Gemology Data Depository: Samples used for gemological characterization in the Be-diffused corundum study.

Transcription

1 Gems & Gemology Data Depository: Samples used for gemological characterization in the Be-diffused corundum study. Category Color before Color after Shape Weight (ct) Geographic origin No. samples AGTA Samples Be diffused Unknown Yellow oval Unknown 4 Unknown Orange/pink 28 round, 20 square, Madagascar 73 Unknown Yellow round Songea, Tanzania 8 Before/after Light yellow Deep yellow/orangy yellcalf's-head Sri Lanka 6 Pink Orange/pink orange, vio4 oval, I octagonal, I ro Unknown 6 Pink Purplish pink to orange rough Que Chau, Vietnam 6 Blue Yellow to greenish blue rough Kanchanaburi, Thailand 6 Blue Blue to dark blue rough Laos 6 Blue Blue rough Lam Dong, Vietnam 4 Blue Blue 1 pear, 1 round, 1 oval Lam Dong, Vietnam (heated4 Blue Blue rough Lava Plains, Australia 6 Gray Yellow rough Umba 2 Light yellow Medium yellow rough Umba 2 Blue Blue rough Umba 2 Non-diffused Greenish blue --- rough 28 Umba 1 Pink octagonal halves, 3 o Madagascar 12 Blue octagonal, 3 cushio Sri Lanka 33 Pink to purple oval, 3 octagonal, Sri Lanka 22 Green --- Oval Unknown 20 Yellow oval, 15 calf's-head Sri Lanka 63 GIA Carlsbad Samples Be diffused Unknown Orange oval, pear, briolette Unknown 12 Unknown Orange oval Montana, U.S. 2 Unknown Orange rough Umba, Tanzania 6 Unknown Yellow oval, briolette Unknown 15 Unknown Yellow round, oval Montana, U.S. 11 Unknown Yellow rough Umba, Tanzania 15

2 Unknown Orange/pink oval, pear, briolette Ilakaka, Madagascar 74 Unknown Orange/pink rough Umba, Tanzania 7 Unknown Red round, oval Unknown 17 Unknown Red rough Umba, Tanzania 6 Unknown Blue briolette 0.60 Unknown 1 Unknown Purple briolette 1.02 Unknown 1 Unknown Purple rough Umba, Tanzania 2 Unknown Green briolette Unknown 3 Before/after Pink Orange/pink oval (sawn in half) Ilakaka, Madagascar 7 Pink Orange/pink rough Ilakaka, Madagascar 23 Purple/brownish red Orangy red rough Songea, Tanzania 32 Green Yellow rough Songea, Tanzania 37 Green Yellow with blue centersrough Thailand 4 Non-diffused Green/blue/yellow range --- round Songea, Tanzania 131 Purple/pink/red range --- round Songea, Tanzania 119 Pink --- rough Ilakaka, Madagascar 21 Mixed pale colors --- briolette Unknown 11 GIA New York Samples Be-diffused Unknown Orange Half oval na Unknown Unknown Orange Half oval na Unknown Unknown Orange Half oval na Unknown Unknown Orange Briolette 1.18 Unknown Unknown Orangy red Briolette 1.54 Unknown Unknown Yellow Oval 1.11 Unknown Unknown Pink Oval 0.77 Unknown Unknown Yellow with blue large s Rough Unknown Unknown Yellow Half oval 0.64 Unknown Unknown Orange Half oval 0.93 Unknown Unknown Orange Square 0.48 Unknown Unknown Red Oval 0.63 Unknown Unknown Orange Oval 2.39 Unknown Unknown Orange Rectangle 0.86 Unknown Unknown Orange yellow Oval 2.44 Unknown 1

3 48851 Unknown Yellow Oval 1.54 Unknown Unknown Pinkish orange Oval 0.90 Unknown Unknown Red Oval 2.78 Unknown Unknown Orange Oval Unknown Unknown Red Heart 3.21 Unknown Unknown Yellow Square na Unknown Unknown Pinkish orange Oval 1.22 Unknown Unknown Pinkish orange Oval 1.43 Unknown Unknown Pinkish orange Oval 1.35 Unknown Unknown Pinkish orange Oval 1.03 Unknown Unknown Pinkish orange Oval 1.14 Unknown Unknown Pinkish orange Oval 1.39 Unknown Unknown Pinkish orange Oval 1.19 Unknown Unknown Pinkish orange Oval 1.18 Unknown Unknown Pinkish orange Oval 0.96 Unknown Unknown Pinkish orange Oval 0.58 Unknown Unknown Orangy pink Oval 0.56 Unknown Unknown Pinkish orange Oval 0.51 Unknown 1 Before/After Colorless Yellow Rough, double-side 2.77 Unknown Light yellow, close to colorange polished Rough, double-side 5.08 Sri Lanka Colorless Orange polished Rough, double-side 7.10 Sri Lanka Green Orange polished Rough, double-side 5.56 Montana, U.S Light yellow Blue polished Rough, double-side 5.56 Montana, U.S Intense green Deep brown polished Rough, double-side 3.30 Unknown Light yellow Intense yellow polished Rough, double-side 2.09 Unknown Blue Deep blue polished Rough, double-side 2.09 Unknown Blue Purple polished Rough, double-side 1.78 Unknown Purple Blue polished Rough, double-side 1.78 Unknown Iight pink Light pinkish orange polished Rough, double-side 2.06 Unknown Pink Pink polished Oval 0.83 Vietnam Intense yellowish brown Intense orange Rough, double-side 0.77 Songea, Tanzania Intense orange brown Intense orange polished Rough, double-side 0.66 Songea, Tanzania Intense gray-green Intense orange polished Rough, double-side 0.68 Songea, Tanzania Yellowish brown Intense orange polished Rough, double-side 0.66 Songea, Tanzania Intense brown purple Intense orange polished Rough, double-side polished 0.85 Songea, Tanzania 1

4 49110 Gray-violet Intense orange Rough, double-side 0.64 Songea, Tanzania Grayish violet Intense orange polished Rough, double-side 0.50 Songea, Tanzania Intense orange brown Intense orangy red polished Rough, double-side 0.77 Songea, Tanzania Brown Red polished Rough, double-side 0.64 Songea, Tanzania Intense yellow Intense orangy yellow polished Oval 0.58 Unknown Blue Deep blue Rough, double-side 1.15 N. Madagascar Light blue Deep blue polished Rough, double-side 1.99 N. Madagascar Pinkish orange polished Half emerald 0.87 Unknown Pink --- Half emerald 0.86 Unknown Pinkish orange Half emerald 0.20 Unknown Pink --- Half emerald 0.24 Unknown 1 Non-diffused Blue --- Briolette 1.87 Unknown Pink --- Marquise 0.83 Unknown Red --- Oval 0.97 Mong Hsu, Myannar Blue --- Round 0.71 Unknown Blue --- Round 0.61 Unknown Blue --- Round 0.51 Unknown Light pink --- Rough 1.56 Unknown Light pink --- Rough 2.56 Unknown Light yellowish pink --- Rough 1.19 Unknown Light pink --- Rough 1.62 Unknown Pink --- Rough 1.29 Unknown Pink --- Rough 1.68 Unknown Purple --- Rough 1.73 Unknown Purple --- Rough 1.02 Unknown Colorless --- Rough 2.77 Unknown Colorless --- Rough 1.96 Unknown Light yellow --- Rough 1.37 Unknown Yellow --- Rough 2.88 Unknown Blue --- Half round 0.51 Unknown Yellow --- Half round 0.54 Unknown Grayish pink --- Half round 0.52 Unknown Grayish pink --- Half round 0.35 Unknown Grayish pink --- Half round 0.50 Unknown Grayish pink --- Half round 0.44 Unknown Pink --- Half round 0.41 Unknown 1

5 49064 Purple --- Half round 0.48 Unknown Light yellow --- Rough 5.08 Sri Lanka Light yellow --- Rough 5.68 Sri Lanka Light yellow --- Rough 8.32 Sri Lanka Light yellow --- Rough Sri Lanka Brown --- Rough 5.56 Montana, U.S Green-blue --- Rough 3.33 Montana, U.S Green-blue --- Rough 2.56 Montana, U.S Blue --- Rough 1.16 Montana, U.S Yellow --- Rough 1.11 Montana, U.S Dark green --- Rough 3.30 Unknown Light green --- Rough 1.87 Unknown Light green --- Rough 1.67 Unknown Dark blue --- Rough 2.09 Unknown Dark blue --- Rough 2.51 Unknown Light yellow --- Rough 2.07 Unknown Light yellow --- Rough 1.77 Unknown Purple --- Rough 1.78 Unknown Light pink --- Rough 2.06 Unknown Light gray --- Rough 1.34 Unknown Deep brown --- Oval 0.70 Unknown Deep pink --- Oval 0.83 Vietnam Light brown --- Round 0.77 Songea, Tanzania Light brown --- Round 0.66 Songea, Tanzania Gray --- Round 0.68 Songea, Tanzania Light brown --- Round 0.66 Songea, Tanzania Light brown --- Round 0.42 Songea, Tanzania Brown-purple --- Round 0.85 Songea, Tanzania Blue-purple --- Round 0.64 Songea, Tanzania Blue-purple --- Round 0.50 Songea, Tanzania Brownish Orange --- Round 0.77 Songea, Tanzania Red --- Round 0.64 Songea, Tanzania Yellow --- Oval 0.58 Unknown Blue --- Oval 1.13 Unknown Blue --- Oval 0.32 Unknown Yellow --- Oval 0.53 Unknown Yellow --- Oval 0.50 Unknown Green --- Oval 0.81 Unknown 1

6 49205 Blue --- Marquise 1.34 Unknown Blue --- Oval 0.84 Unknown Green --- Oval 0.68 Vietnam Blue --- Oval 0.44 Vietnam Yellow --- Oval 1.18 Unknown Yellow --- Oval 0.76 Unknown Yellow --- Oval 0.69 Unknown Yellow --- Oval 0.68 Unknown Blue --- Square 1.45 Unknown Blue --- Oval 1.06 Unknown Blue --- Marquise 0.71 Unknown Blue --- Oval 1.12 Unknown Gray-blue --- Oval 1.04 Unknown Blue --- Oval 0.86 Unknown Green --- Oval 0.84 Unknown Pink --- Oval 0.30 Thailand Pink --- Marquise 0.37 Thailand Pink --- Marquise 0.27 Thailand Pink --- Marquise 0.26 Thailand Pink --- Marquise 0.23 Thailand Green --- Oval 1.42 Australia? Green --- Oval 0.78 Australia? Green --- Oval 0.67 Australia? Blue --- Marquise 1.45 Australia? Blue --- Marquise 1.54 Australia? Blue --- Emerald 0.78 Australia? Deep blue --- Rough 1.15 N. Madagascar Light greenish blue --- Rough 1.99 N. Madagascar Blue --- Rough 0.54 Unknown Light green --- Rough 1.17 Unknown Light yellow --- Rough 7.10 Sri Lanka Deep blue --- Rough Nigeria (heated) Light yellow --- Oval 0.88 Unknown Deep gray --- Oval 0.69 Unknown Orangy yellow --- Oval 0.32 Unknown Deep orangy yellow --- Round 0.21 Unknown Pink --- Oval 1.57 Vietnam Pink --- Oval 0.88 Vietnam 1

7 49727 Red --- Oval 0.83 Vietnam Blue --- Round 0.71 Songea Blue --- Round 0.44 Songea Red --- Round 0.84 Songea Red --- Round 0.65 Songea Red --- Round 0.60 Songea Red --- Round 0.60 Songea Yellow --- Oval 0.56 Unknown Yellow --- Oval 0.56 Unknown Blue --- Rough 1.76 N. Madagascar Blue --- Rough 1.27 N. Madagascar Blue --- Rough 0.56 N. Madagascar Blue --- Rough 0.83 N. Madagascar Green --- Rough 1.70 N. Madagascar Blue --- Rough 0.60 N. Madagascar Green --- Rough 1.14 N. Madagascar Blue --- Oval 2.57 Unknown Red --- Oval 5.27 Unknown 1