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Mellite, also called honeystone, is an unusual mineral being also an organic chemical. It is chemically identified as an aluminium salt of mellitic acid, and specifically as aluminium benzenehexacarboxylate hexadecahydrate, with the chemical formula Al2C6(COO)6·16H2O.
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also crystal aluminium coo tetragonal chemical found organic formula 16h2o translucent system mohs hardness specific gravity color references mellitic structure
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Mellite | Birefringence | δ = 0.028 | 1.00 | infobox |
| Mellite | Category | Organic minerals | 1.00 | infobox |
| Mellite | Cleavage | poor/indistinct on {023} | 1.00 | infobox |
| Mellite | Color | Honey-yellow, deep red, pale shades of red, brown, gray, white; | 1.00 | infobox |
| Mellite | Crystal class | Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) | 1.00 | infobox |
| Mellite | Crystal habit | Elongated bipyramidal prismatic; as nodules and coatings, fine-grained massive | 1.00 | infobox |
| Mellite | Crystal system | Tetragonal | 1.00 | infobox |
| Mellite | Diaphaneity | Transparent to translucent | 1.00 | infobox |
| Mellite | Formula | Al2[C6(COO)6]·16H2O | 1.00 | infobox |
| Mellite | Fracture | conchoidal | 1.00 | infobox |
| Mellite | IMA symbol | Mel | 1.00 | infobox |
| Mellite | Luster | Vitreous, resinous, greasy | 1.00 | infobox |
| Mellite | Mohs scale hardness | 2–.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .… | 1.00 | infobox |
| Mellite | Optical properties | Uniaxial (−) may be anomalously biaxial | 1.00 | infobox |
| Mellite | Other characteristics | Pyroelectric | 1.00 | infobox |
| Mellite | Pleochroism | Weak; O = yellowish brown; E = yellow | 1.00 | infobox |
| Mellite | Refractive index | nω = 1.539 nε = 1.511 | 1.00 | infobox |
| Mellite | Space group | I41/acd | 1.00 | infobox |
| Mellite | Specific gravity | 1.64 | 1.00 | infobox |
| Mellite | Streak | White | 1.00 | infobox |
| Mellite | Strunz classification | 10.AC.05 | 1.00 | infobox |
| Mellite | Tenacity | Slightly sectile | 1.00 | infobox |
| Mellite | Ultraviolet fluorescence | Pale yellow to blue (LW & SW UV) | 1.00 | infobox |
| Mellite | Unit cell | a = 15.53 Å, c = 23.19 Å; Z = 8 | 1.00 | infobox |
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