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Measuring birefringence when R.I. is OTL
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15
|
136
|
October 26, 2024
|
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Help identifying
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6
|
234
|
October 25, 2024
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Does anyone know what type of inclusions are these?
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2
|
101
|
October 23, 2024
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Identity help
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30
|
869
|
October 18, 2024
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Seeking Recommendations for Valuation Services for Garnet Gemstones in the Colorado/Wyoming USA Region
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5
|
398
|
October 12, 2024
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Red gold
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2
|
1076
|
October 12, 2024
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Where can I have a large rock with garnets appraised?
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4
|
353
|
October 12, 2024
|
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Unique relic found
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10
|
433
|
October 12, 2024
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Value of Prasiolite
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6
|
962
|
October 11, 2024
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Amazing hackamamite Find California
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34
|
499
|
October 9, 2024
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Raw Basketball size Amber
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2
|
41
|
October 9, 2024
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Gemstone Surface Polish Lines vs. Growth Lines
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14
|
740
|
October 7, 2024
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Gemstone laboratories scammers and the real thing
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14
|
9057
|
October 6, 2024
|
|
Garnet extraction
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16
|
600
|
September 26, 2024
|
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Ruby quality and the market
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12
|
770
|
September 21, 2024
|
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Gemstone Fraud
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52
|
3516
|
September 21, 2024
|
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What would you call this Ethiopian opal
|
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10
|
696
|
September 19, 2024
|
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Are all copper bearing tourmalines considered Paraiba-type?
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19
|
2235
|
September 17, 2024
|
|
Alexandrite testing
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7
|
185
|
September 16, 2024
|
|
About synthetic corundum
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|
13
|
7309
|
September 16, 2024
|
|
Gold Testing
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|
20
|
443
|
September 15, 2024
|
|
Value of diamonds if you made it into jewelry and value by themselves
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|
31
|
629
|
September 15, 2024
|
|
Blue Sapphire
|
|
5
|
263
|
September 12, 2024
|
|
One gem with a smorgasbord of inclusions!
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|
13
|
534
|
September 10, 2024
|
|
700ct Aquamarine found
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|
12
|
1543
|
September 10, 2024
|
|
Your ideas?
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|
11
|
102
|
September 10, 2024
|
|
Open Discussion of Identifying Spinel
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|
11
|
519
|
September 6, 2024
|
|
Colored Gemstones
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|
27
|
240
|
September 4, 2024
|
|
Exceptionally Florescent Gemstone ID
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5
|
394
|
September 3, 2024
|
|
Louisiana Chalcedony
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22
|
332
|
September 3, 2024
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