Breyite

Breyite
Breyite
General
Category	Minerals
Formula	Ca3.01(2)Si2.98(2)O9
IMA symbol	Byi
Crystal system	Triclinic
Space group	P1
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)°
Identification
Colour	colorless
Cleavage	not observed
Luster	vitreous
Density	3.072 g/cm3
Ultraviolet fluorescence	non-fluorescent
References

Breyite is a high pressure calcium silicate mineral (CaSiO₃) found in diamond inclusions.^[3]^[4] It is the second most abundant inclusion after ferropericlase, for diamonds with a deep Earth origin.^[5]^[4] 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

↑ "Breyite". www.mindat.org. Retrieved 2022-01-15.
↑ Brenker, Frank E.; Nestola, Fabrizio; Brenker, Lion; Peruzzo, Luca; Harris, Jeffrey W. (1 January 2021). "Origin, properties, and structure of breyite: The second most abundant mineral inclusion in super-deep diamonds". American Mineralogist. 106 (1): 38–43. Bibcode:2021AmMin.106...38B. doi:10.2138/am-2020-7513. S2CID 231543488.
↑ Alderton, David; Elias, Scott (2020). Encyclopedia of Geology. Elsevier Science. p. 467. ISBN 9780081029091.
1 2 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. 106 (1): 38–43. Bibcode:2021AmMin.106...38B. doi:10.2138/am-2020-7513. ISSN 1945-3027. S2CID 231543488.
↑ "Breyite". www.mindat.org. Retrieved 2022-01-15.
↑ Milani, Sula; Comboni, Davide; Lotti, Paolo; Fumagalli, Patrizia; Ziberna, Luca; Maurice, Juliette; Hanfland, Michael; Merlini, Marco (2021-06-19). "Crystal Structure Evolution of CaSiO3 Polymorphs at Earth's Mantle Pressures". Minerals. 11 (6): 652. Bibcode:2021Mine...11..652M. doi:10.3390/min11060652. hdl:11368/2993918. ISSN 2075-163X.

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[1] "Breyite". www.mindat.org. Retrieved 2022-01-15.

[2] Brenker, Frank E.; Nestola, Fabrizio; Brenker, Lion; Peruzzo, Luca; Harris, Jeffrey W. (1 January 2021). "Origin, properties, and structure of breyite: The second most abundant mineral inclusion in super-deep diamonds". American Mineralogist. 106 (1): 38–43. Bibcode:2021AmMin.106...38B. doi:10.2138/am-2020-7513. S2CID 231543488.

[3] Alderton, David; Elias, Scott (2020). Encyclopedia of Geology. Elsevier Science. p. 467. ISBN 9780081029091.

[:0-4] 1 2 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. 106 (1): 38–43. Bibcode:2021AmMin.106...38B. doi:10.2138/am-2020-7513. ISSN 1945-3027. S2CID 231543488.

[5] "Breyite". www.mindat.org. Retrieved 2022-01-15.

[6] Milani, Sula; Comboni, Davide; Lotti, Paolo; Fumagalli, Patrizia; Ziberna, Luca; Maurice, Juliette; Hanfland, Michael; Merlini, Marco (2021-06-19). "Crystal Structure Evolution of CaSiO3 Polymorphs at Earth's Mantle Pressures". Minerals. 11 (6): 652. Bibcode:2021Mine...11..652M. doi:10.3390/min11060652. hdl:11368/2993918. ISSN 2075-163X.

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References