Breyite Explained
| Breyite |
| Formula: | Ca3.01(2)Si2.98(2)O9 |
| Imasymbol: | Byi[1] |
| System: | Triclinic |
| Symmetry: | P |
| Unit Cell: | a0 = 6.6970(4) Å,
b0= 9.2986(7) Å,
c0 = 6.6501(4) Å,
α = 83.458(6)°,
β = 76.226(6)°,
γ = 69.581(7)° |
| Cleavage: | not observed |
| Luster: | vitreous |
| Fluorescence: | non-fluorescent |
| Density: | 3.072 g/cm3 |
| References: | [2] |
| Colour: | colorless |
Breyite is a high pressure calcium silicate mineral (CaSiO3) found in diamond inclusions.[3] It is the second most abundant inclusion after ferropericlase, for diamonds with a deep Earth origin.[4] [5] Its occurrence can also indicate the host diamond's super-deep origin. This mineral is named after German mineralogist, petrologist and geochemist Gerhard P. Brey.
References
- Web site: Breyite. 2022-01-15. www.mindat.org.
- Brenker . Frank E. . Nestola . Fabrizio . Brenker . Lion . Peruzzo . Luca . Harris . Jeffrey W. . Origin, properties, and structure of breyite: The second most abundant mineral inclusion in super-deep diamonds . American Mineralogist . 1 January 2021 . 106 . 1 . 38–43 . 10.2138/am-2020-7513. 2021AmMin.106...38B . 231543488 .
- Book: Alderton. David. Encyclopedia of Geology. Elias. Scott. Elsevier Science. 2020. 9780081029091. 467. en.
- Web site: Breyite. 2022-01-15. www.mindat.org.
- Brenker. Frank E.. Nestola. Fabrizio. Brenker. Lion. Peruzzo. Luca. Harris. Jeffrey W.. 2021-01-01. Origin, properties, and structure of breyite: The second most abundant mineral inclusion in super-deep diamonds. American Mineralogist. en. 106. 1. 38–43. 10.2138/am-2020-7513. 2021AmMin.106...38B . 231543488 . 1945-3027.
