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|Name:||Named for University of Washington astronomer Donald Brownlee, who founded the field of IDP research.|
The mineral was discovered within an interplanetary dust particle (or IDP) that is believed to have originated from comet 26P/Grigg-Skjellerup. Type material is in particles less than 1/10,000 of an inch across (or < 0.0025mm).
Classification of Brownleeite
|IMA status:||Approved 2008|
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Type Occurrence of Brownleeite
|Type Locality:||Comet 26P/Grigg-Skjellerup, Outer Space|
|Geological Setting of type material:||A particle of cosmic dust collected by a high-altitude research aircraft.|
Crystallography of Brownleeite
|Class (H-M):||2 3 - Tetartoidal|
|Space Group:||P21 3|
|Cell Parameters:||a = 4.557Å|
|Unit Cell Volume:||V 94.63 Å³ (Calculated from Unit Cell)|
|X-Ray Powder Diffraction:|
Chemical Properties of Brownleeite
|Essential elements:||Mn, Si|
|All elements listed in formula:||Mn, Si|
Other Names for Brownleeite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Brownleeite
Internet Links for Brownleeite
Localities for Brownleeite
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Carthage meteorite, Carthage, Smith Co., Tennessee, USAFrom Chester S. Lemanski, Jr., 20th Dec 2014 00:17:21