| Mineral | BORACITE |
| Chemistry | Mg 3 B 7 O 13 Cl |
| Color | Green blue Colorless Gray blue white |
| Luster | AdamantineVitreous |
| CrystalSystem | Orthorhombic |
| CrystalHabits | include highly modified cubes and octahedronswhich are actually pseudomorphs of the high temperature isometric phase.Also massive, fibrous, nodular and as embedded grains. |
| Cleavage | None Observed |
| Fracture | absent. |
| Hardness | 7 - 7½ |
| SpecificGravity | 2.95 g/ccm |
| Streak | White |
| Characteristics | Slightly soluble in water. |
| Occurences | include Yorkshire, England; Strassfurt,Germany; Bolivia; Chactaw Salt Dome, Louisiana and Otis, California, USAand France. |
| Indicators | crystal habit, color, associations,locality, lack of cleavage and the high hardness. |
| DensityNote | average for translucentminerals |
| IMAStatus | Approved |
| CellParameters | a = 8.54b = 8.54c = 12.1 |
| Ratio | a:b:c = 1 : 1 : 1.417 |
| OpticalType | Biaxial (+) |
| RI | n α =1.658 - 1.662 n β =1.662 - 1.667 n |
| Birefringence | δ=0.010 - 0.011 |
| SurfaceRelief | Moderate |
| TypeLocality | Kalkberg hill Lüneburg Lower Saxony Germany |
| Strunz | 5/L.04-10 5 : NitratesCarbonates & Borates L : Shelly borates with [BO2]1- to [B6O10]2- 04 : Boracite - Congolite series |
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