蜜蠟石

{{Infobox mineral
| name = 蜜蠟石
| boxwidth =
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| image = Mellite-177555.jpg
| imagesize = 260px
| alt =
| caption =
| category = 有機礦物
| formula = Al2[C6(COO)6]·16H2O
| IMAsymbol = Mel
| molweight =
| strunz = 10.AC.05
| dana =
| system = 四方
| class = 雙四方雙錐體 (4/mmm)
H-M記號：(4/m 2/m 2/m)
| symmetry = I41/acd
| unit cell = a = 15.53 Å, c = 23.19 Å; Z = 8
| color = 蜜黃色、深紅色、淺紅色、棕色、灰色、白色
| habit = 細長的雙錐棱柱體；作為結節和包衣，細粒塊狀
| twinning =
| cleavage = {023}差
| fracture = 貝殼狀
| tenacity = 略微可切
| mohs = 2-2.5
| luster = 玻璃光澤、樹脂光澤、油脂光澤
| streak = 白色
| diaphaneity = 透明到半透明
| gravity = 1.64
| density =
| polish =
| opticalprop = 單軸 (-) 可能異常雙軸
| refractive = nω = 1.539 nε = 1.511
| birefringence = δ = 0.028
| pleochroism = 弱；O = 黃褐色；E = 黃色
| 2V =
| dispersion =
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| length fast/slow =
| fluorescence = 淡黃色至藍色（短波&長波UV）
| absorption =
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| fusibility =
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| other = 熱釋電性
| prop1 =
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| references =

它是一種半透明的蜂蜜色晶體，可以拋光和刻面成寶石。它以四方晶系結晶，並以良好晶體和無定形塊體形式出現。它很柔軟，莫氏硬度為2到2.5，比重為1.6。暗指它的顏色。

它被發現與褐煤有關，推斷它是由植物材料和來自黏土的鋁形成的。

File:Mellite-asymmetric-unit-from-xtal-3D-bs-17.png|蜜蠟石不對稱單元的球棍模型
File:Mellite-asymmetric-unit-from-xtal-3D-sf.png|不對稱單元的空間填充模型
File:Mellite-3x3x3-unit-cells-from-xtal-3D-sf.png|3×3×3單元晶胞

参考资料