干旱区生态环境知识资源中心(Arid): Levantite, KCa3(Al2Si3)O-11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel

Arid

DOI	10.1180/mgm.2019.37
	Levantite, KCa3(Al2Si3)O-11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel
	Galuskin, Evgeny, V 1; Krueger, Biljana 2; Galuskina, Irina O.1; Krueger, Hannes 2; Vapnik, Yevgeny 3; Pauluhn, Anuschka 4; Olieric, Vincent 4
通讯作者	Galuskin, Evgeny, V
来源期刊	MINERALOGICAL MAGAZINE
ISSN	0026-461X
EISSN	1471-8022
出版年	2019
卷号	83 期号:5 页码:713-721
英文摘要	Levantite, with the end-member formula KCa3(Al2Si3)O-11(PO4), is the phosphate analogue of latiumite, KCa3(Al3Si2)O-11(SO4, CO3) found in gehlenite-wollastonite hornfels on Har Parsa, Negev Desert, Israel. Levantite forms later zones on long-prismatic crystals of latiumite. Rarer homogeneous colourless levantite crystals up to 0.2 mm long and with mean composition (K0.94Ba0.001Na0.01 square(0.04))(Sigma 1.00) (Ca2.96Mg0.(03))(Sigma 2.99){(Si2.69Al2.06Fe0.163+P0.06)(Sigma 4.97)O-11}[{PO4)(0.65)(SO4)(0.35)](Sigma 1.00) were noted. Minerals of the levantite-latiumite series are associated with gehlenite, wollastonite, clinopyroxene of the esseneite-diopside series, anorthite and Ti-bearing andradite. Levantite crystalises in space group P2(1) with unit-cell parameters a = 12.1006(9) angstrom, b = 5.1103(4) angstrom, c = 10.8252(9) angstrom, beta = 107.237(8)degrees, V= 639.34(9) angstrom(3) and Z = 2. The structure of levantite is analogous to latiumite. It is formed by tetrahedral hybrid zweier double layers [(Si,Al)(10)O-22] connected by Ca atoms. Three Ca atoms linked to different double layers are bridged over by (PO4) and minor (SO4) groups. K atoms reside in the cavities between two superimposed zw(e)erdouble layers. The measured micro-indentation hardness of levantite gave VHN50 = 580(19) (mean of 14), range 550-611 kg/mm(2), which correlates with 5 on the Mohs scale. Cleavage is good on (100). Twinning on (100) is polysynthetic or simple. The calculated density is 2.957 g cm(-3). Levantite is optically negative with alpha = 1.608(2), beta= 1.618(2), gamma = 1.622(2) (lambda = 589 nm), 2V(meas.) = 70(5)degrees and 2V(calc.) = 64.3 degrees. Dispersion of the optical axes r > v is weak; the optical orientation is: Z = b, X boolean AND c = 22-27 degrees; and it is non-pleochroic. Minerals of the levantite-latiumite series from Israel show characteristic Raman spectra with the main bands at 994 cm(-1) [nu(1)(SO4)(2-)] and 945 cm(-1) [nu(1)(PO4)(3-)]. The band intensity nu(1)(PO4)(3-)/nu(1)(SO4) ratio is well correlated with P and S contents in the investigated minerals. The strongest lines in the powder diffraction pattern [d(obs), angstrom (I, %) (hkl)] are: 3.0762(100)(310), 2.8551(96)(213), 2.9704(92)(312), 2.8573(83)(013), 2.5552(66)(020), 2.8228(48)(212), 2.8893(40)(400), and 3.0634(30)(103).
英文关键词	levantite latiumite group new minerals Raman spectrum pyrometamorphic rocks Hatrurim Complex
类型	Article
语种	英语
国家	Poland ; Austria ; Israel ; Switzerland
收录类别	SCI-E
WOS记录号	WOS:000510231000010
WOS关键词	MOTTLED ZONE ; METAMORPHIC COMPLEX ; CRYSTAL-STRUCTURE ; JABEL HARMUN ; QUEITITE ; AUTONOMY ; ORIGIN
WOS类目	Mineralogy
WOS研究方向	Mineralogy
EI主题词	2019-10-01
来源机构	Ben-Gurion University of the Negev
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/310093
作者单位	1.Univ Silesia, Fac Earth Sci, Dept Geochem Mineral & Petrog, Bedzinska 60, PL-41200 Sosnowiec, Poland; 2.Univ Innsbruck, Inst Mineral & Petrog, Innrain 52, A-6020 Innsbruck, Austria; 3.Ben Gurion Univ Negev, Dept Geol & Environm Sci, POB 653, IL-84105 Beer Sheva, Israel; 4.Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland
推荐引用方式 GB/T 7714	Galuskin, Evgeny, V,Krueger, Biljana,Galuskina, Irina O.,et al. Levantite, KCa3(Al2Si3)O-11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel[J]. Ben-Gurion University of the Negev,2019,83(5):713-721.
APA	Galuskin, Evgeny, V.,Krueger, Biljana.,Galuskina, Irina O..,Krueger, Hannes.,Vapnik, Yevgeny.,...&Olieric, Vincent.(2019).Levantite, KCa3(Al2Si3)O-11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel.MINERALOGICAL MAGAZINE,83(5),713-721.
MLA	Galuskin, Evgeny, V,et al."Levantite, KCa3(Al2Si3)O-11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel".MINERALOGICAL MAGAZINE 83.5(2019):713-721.