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Kegelite - Wikipedia, the free encyclopedia
Kegelite is a mineral, formula Pb 8 Al 4 Si 8 (SO 4 ) 2 (CO 3 ) 4 (OH) 8 O 20 Average Density: 4.5 gm/cm 3 Discovered: 1975 Named for Frederick Wilhelm Kegel.
en.wikipedia.org/wiki/Kegelite |
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Kegelite mineral data, information about Kegelite, its properties and worldwide locations. ... This page provides mineralogical data about Kegelite. ... Classification of Kegelite...
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Nickel-Strunz 10th (pending) edition ID: ... 9.EC.15; 9 : SILICATES (Germanates); E : Phyllosilicates; C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets ... Crystals uncommon, tabular {001} with rhombic to hexagonal outlines, often bound by {221}, {111} and {010} (hkl refer to -2M1 polytype).
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Click Here for Larger Kegelite Image in a New Browser Window Images: .... Print or Cut-and-Paste your Kegelite Specimen Label here : ...
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Small, transparent pseudo-cubic kegelite crystals. Tsumbe, Namibia..
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Kegelite 2001 c Pb8 Al4 Si8 O20 (SO4 )2 (CO3 )4 (OH)8 Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic, pseudohexagonal. Point Group: 2=m; 2; or m: As pseudohexagonal plates with dominant f100g, to 0.3 mm, forming spherical aggregates.
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Fleischerite Pb3Ge4+(SO4)2(OH)6 •3H2O; (2) Pb3Ge(SO4)2(OH)6 •3H2O. ... German with English abs.). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without the prior...
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with type kegelite; the X-ray powder-diffraction patterns ... the chemical formula of kegelite must await the discovery of material suitable for a crystal ...
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American Mineralogist; June 1990; v. 75; no. 5-6; p. 702-704; ... Alert me when this article is cited ... Email this article to a friend...
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The infrared spectrum of kegelite has been measured and is discussed. The infrared spectra of 1:1 molar mixtures of leadhillite with pyrophyllite or with ...
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