Baghdadite (original) (raw)

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 10.42 Å, b = 10.16 Å, c = 7.36 Å
β = 91.1°

Ratio:

a:b:c = 1.026 : 1 : 0.724

Unit Cell V:

779.04 ų (Calculated from Unit Cell)

Twinning:

Twinning observed

General Appearance of Type Material:

As four grains observed in polished thin sections.

Place of Conservation of Type Material:

No defined type material.

Geological Setting of Type Material:

In a melilite sskarn in contact with a banded diorite.

Associated Minerals at Type Locality:

Reference:

Al-Hermezi, H.M., McKie, D., Hall, A.J. (1986) Baghdadite, a new calcium zirconium silicate mineral from Iraq. Mineralogical Magazine 50: 119-123.

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Germany
Rhineland-Palatinate Mayen-Koblenz Mayen Seekante ⓘ Xenolith CS-020	Skrzyńska et al. (2023)
Vordereifel Ettringen Caspar quarry ⓘ Xenolith CS-036 (Vondechenite-bearing xenolith)	in the collection of Christof Schäfer
Iraq (TL)
Sulaymaniyah Governorate Pshdar District Qaladiza Hero ⓘ Dupezeh Mountain (TL)	Al-Hermezi et al. (1986)
Japan
Iwate Prefecture Oshu City Esashi ward ⓘ Akagane mine	Matsubara et al. (1999)
Okayama Prefecture Takahashi City Bitchū Fuka ⓘ Fuka mine	Lapis 2002 (11) +1 other reference
Jordan
Amman Governorate Transjordan Plateau Daba-Siwaqa complex Hashem region Lisdan-Siwaga Fault Siwaga Tulul al Hammam ⓘ Unnamed marble quarries	Galuskina et al. (2021)
Mexico
Chihuahua Pueblito de Allende ⓘ Allende meteorite	Ma (2018)
Norway
Telemark Skien ⓘ Flekkeren	Jamtveit et al. (1997)
Poland
Silesian Voivodeship Wodzisław County Rydułtowy ROW Ruch Rydułtowy Mine ⓘ Rydułtowy heap (Szarlota heap) ?	Ł. Kruszewski PXRD and EPMA data
Russia
Buryatia Severo-Baykalsky District Dovyren Highlands ⓘ Yoko-Dovyrensky Massif	Galuskin (2007)
ⓘ Belyi stream	Kislov +1 other reference
Irkutsk Oblast Narin-Kunta ⓘ Birkhin gabbro massif (Ozernovskii)	Lazic et al. (2011)
Kabardino-Balkaria Chegemsky District Upper Chegem volcanic caldera (Verkhnechegemskaya caldera) Lakargi Mountain ⓘ Xenolith no. 7	Galuskina et al. (2013)
Krasnoyarsk Krai Evenkiysky District ⓘ Kuzmovka complex	Sokol et al. (2022)
Sakha Mirninsky District ⓘ Vilyui River Basin	Galuskina et al. (2010)
Spain
Canary Islands Las Palmas Province Fuerteventura ⓘ Fuerteventura Basal Complex	Casillas et al. (2011)
UK
ⓘ Scotland	Tindle (2008)
Highland Eilean á Chèo Isle of Skye ⓘ Camasunary	Beard et al. (2007)