Silakan pilih varietas Opal di bawah ini untuk melihat detail Origin, Treatment, dan Karakteristik Gemologinya.
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Lihat Hydrated Amorphous Silica SiO2·nH2O, RI 1.45, & Water Content ➔
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▼ FUNDAMENTAL CLASSIFICATION
| ✨ |
Lihat Silica Sphere Diffraction Grid & Play-of-Color Phenomenon ➔
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| 🪨 |
Lihat Potch Opal, Opaque-to-Translucent Body without Play-of-Color ➔
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▼ COLOR VARIETIES
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Lihat Light/White Body Tone (N7-N9 Grade) & Fire Spectrum ➔
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| 🖤 |
Lihat Dark Body Tone (N1-N4 Grade), Lightning Ridge Australia ➔
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| 💎 |
Lihat Transparent to Semi-Transparent Body with Vivid Internal Fire ➔
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| 🔥 |
Lihat Yellow-to-Red Body Color, Iron Oxide Cause, & Mexico Origin ➔
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▼ STRUCTURAL VARIETIES
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Lihat Precious Opal Veins Naturally Attached to Ironstone Matrix ➔
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| 🟫 |
Lihat Opal Flecks Infiltrated in Host Rock & Sugar-Acid Treatment ➔
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| 🧊 |
Lihat Water-Clear Gelatinous Appearance with Soft Flash ➔
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| 🧪 |
Lihat Opal-AN Glassy Botryoidal Form & Strong UV Fluorescence ➔
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| 💡 |
Lihat Play-of-Color Visible Only When Light Transmits from Behind ➔
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▼ GEOGRAPHIC ORIGINS
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Lihat Sedimentary Origin, High Stability, Lightning Ridge & Coober Pedy ➔
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| 🇪🇹 |
Lihat Welo Hydrophane Type, Water Absorption, & Smoke Treatment ➔
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| 🇲🇽 |
Lihat Volcanic Origin, Fire Opal Matrix, & Querétaro Mines ➔
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▼ MAN-MADE MATERIALS
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Lihat Gilson Synthetic Structure, Lizard-Skin Pattern, & Lab ID ➔
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