| Name: | Tyretskite Tyr |
| IMA Chemistry: | Ca2B5O9(OH)·H2O |
| Chemistry Elements: | The mineral Tyretskite contains elements: Calcium (Ca) Boron (B) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Russia |
| Year First Published: | 1968 |
| IMA Status: | Approved |
| Status Notes: | Kondrat'eva V V (1964) X-ray diffraction studies of some minerals of the hilgardite group. Rentgenografia Mineral'nogo Syr'ia, Moscow ('Nedra') 4, 10-18 Chemical formula changed from Ca_3_B_8_O_13_(OH)_4_ to Ca_2_B_5_O_8_(OH)_3_: Davies W O, Machin M P (1968) Strontiohilgardite-1Tc and tyretskite, a structural pair, American Mineralogist 53, 2084-2087 Chemical formula revised again: Ghose S (1985) A new nomenclature for the borate minerals in the hilgardite (Ca_2_B_5_O_9_Cl·H_2_O) - tyretskite (Ca_2_B_5_O_9_OH·H_2_O) group. American Mineralogist 70, 636-637 |
| Structural Group Name: | Hilgardite |
| Fleischer's Group Name: | |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 290 Million Years Ago |
| More Info: | Search Wikipedia: Tyretskite (Wiki) Search Mindat: Tyretskite Search Web Mineral DB: Tyretskite |