Lapis lazuli : 無料・フリー素材/写真
Lapis lazuli / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | (public display, Field Museum of Natural History, Chicago, Illinois, USA)----------------------------------This is a rare metamorphic rock called "lapis lazuli". It is dominated by a blue feldspathoid mineral called lazurite, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2 - sodium calcium chloro-sulfo-aluminosilicate-sulfate. The highest-quality lapis lazuil on Earth is from the Hindu Kush Mountains of Afghanistan. Other lapis occurrences are Chile and Russia. |
| 撮影日 | 2010-08-21 16:26:13 |
| 撮影者 | James St. John |
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