Name: | Harkerite Hkr |
IMA Chemistry: | Ca48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16·2(H2O,HCl) |
Chemistry Elements: | The mineral Harkerite contains elements: Calcium (Ca) Magnesium (Mg) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) Boron (B) Carbon (C) Chlorine (Cl) |
Country of Type Locality: | United Kingdom |
Year First Published: | 1951 |
IMA Status: | Approved,Redefined |
Status Notes: | Tilley C E (1948) Dolomite contact skarns of the Broadford area, Skye: a preliminary note. Geological Magazine 85, 213-218 Chemical formula revised from Ca_12_Mg_4_Al(CO_3_)_5_(BO_3_)_3_(SiO_4_)_4_·H_2_O to Ca_48_Mg_16_[AlSi_4_O_15_(OH)]_4_(BO_3_)_16_(CO_3_)_16_·2(H_2_O,HCl): Evans R J, Groat L A, Cempírek J, Škoda R, Grew E S, Bernard C (2018) The crystal chemistry of the sakhaite-harkerite solid solution. American Mineralogist 103, 1749-1760 |
Structural Group Name: | Harkerite |
Fleischer's Group Name: | |
Crystal Systems: | hexagonal |
Oldest Known Age: | 601 Million Years Ago |
More Info: | Search Wikipedia: Harkerite (Wiki) Search Mindat: Harkerite Search Web Mineral DB: Harkerite |