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| Name: | Bultfonteinite Bul |
| Specimens in Collection: |  #14: Olmiite / Bultfonteinite South Africa  #1205: Olmiite / Bultfonteinite N'Chwanning II Mine, Kuruman, South Africa |
| IMA Chemistry: | Ca2SiO3(OH)F·H2O |
| Chemistry Elements: | The mineral Bultfonteinite contains elements: Calcium (Ca) Silicon (Si) Oxygen (O) Hydrogen (H) Fluorine (F) |
| Country of Type Locality: | South Africa |
| Year First Published: | 1932 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Parry J, Williams A F, Wright F E (1932) On bultfonteinite, a new fluorine-bearing hydrous calcium silicate from South Africa, Mineralogical Magazine 23, 145-162 Chemical formula revised from Ca2SiO2(OH,F)4: Megaw H D, Kelsey C H (1955) An accurate determination of the cell dimensions of bultfonteinite, Ca4Si2O10H6F2, Mineralogical Magazine 30, 569-573 |
| Structural Group Name: | Spurrite-Afwillite |
| Fleischer's Group Name: | |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 2400 Million Years Ago |
| Mohs Hardness: | 4.5 |
| Diaphaneity: | 3.0 |
| More Info: | Search Wikipedia: Bultfonteinite (Wiki) Search Mindat: Bultfonteinite Search Web Mineral DB: Bultfonteinite |
Data appearing on this page is derived from the IMA Database of Mineral Properties. Not all properties are applicable to or available for all minerals.