| Mineral | DANBURITE |
| Chemistry | CaB 2 (SiO 4 ) 2 |
| Color | Pale Yellow Yellowish-brown colourless |
| Luster | Vitreous |
| CrystalSystem | Orthorhombic |
| CrystalHabits | include generally prismatic crystalswith a diamond-shaped cross-section. The termination is a steeplyslanted dome producing a wedge look. Crystals can be rather thinto almost acicular or up to a foot long and several inches across. |
| Fracture | poor in one direction, basal. |
| Hardness | 7 - 7½ |
| Occurences | include Danbury, Connecticut andRussell, New York, USA; Charcas, San Luis Potosi, Mexico; KyushuIs., Japan; Mogok, Burma and Uri, Switzerland. |
| Indicators | crystal habit, poor cleavage,hardness and associations. |
| DensityNote | average |
| IMAStatus | Approved |
| Discovered | 1839 |
| CellParameters | a = 8.04b = 8.76c = 7.73 |
| Ratio | a:b:c = 0.918 : 1 : 0.882 |
| OpticalType | Biaxial (+/-) |
| RI | n α =1.630 n β =1.633 n γ =1.636 |
| Birefringence | δ=0.006 |
| SurfaceRelief | Moderate |
| Synonyms | Danburit Danburita |
| TypeLocality | Danbury Fairfield Co. Connecticut U S A |
| Strunz | 8/J.08-20 8 : Silicates J : Tectosilicates (network) without anions unfamiliar to the tetraheders 08 : Reedmergnerite - Danburite series |
| FolkLore | Said to help people get along with others. Used as a powerful intellectual activator, applying to both stimulus and responsiveness. Pink danburite can also be used to activate the heart chakra and bring self-love to the person using the crystal. |
