Sapphire, Blue Star (6-Ray)
Gemstone Type: Sapphire Gemstone Color: Blue Gemstone Shape: Oval cabochon Country of Origin: Bangkaja, Chanthaburi, Thailand Transparency: Translucent Condition: Size […]
Thailand
- 02A – Sulfides
- 02F – Arsenides
- 03 – Halogenides
- 05A – Carbonates
- 06 – Borates
- 07A-C – Sulfates
- 07E-G – Molybdates
- 08B-C – Arsenates
- 09 – Silicates
- 09A – Neosilicates
- 09B – Sorosilicates
- 09C – Cyclosilicates
- 09D – Inosilicates
- 09E – Phyllosilicates
- 09F – Tectosilicates
- 10 – Mineraloids
- Africa
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- Articles
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- Geologic Time
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- Opinion
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- Zoisite