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Muscovite

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BCK820916

Muscovite

Dan Behnke collection

Description Tabs

Description
Locality: 
Nello Teer Crabtree Creek Quarry, Raleigh, Wake County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.3 × 1.1 cm
Description

ILLUSTRATED!! You are bidding on a small sample with very nice, cavity grown crystals of muscovite on albite matrix from this well-known North Carolina alpine-type locality. The sample is illustrated in Encyclopedia of Minerals 2nd Edition, 1990 (as biotite, misidentified) and in Photo Atlas of Minerals 2007. Comes with 3 original slides taken by Dan and collection index card. 

This sample is from the collection of Dan Behnke, long-time friend, micromounter and prodigious photographer. I am pleased to be able to offer selections from his large collection, many of which are illustrated specimens in Rocks & Minerals, The Mineralogiocal Record, Photo Atlas of Minerals and many other publications. All samples from his meticulously catalogued collection will come with his original index card with all notes, photography annotations and other pertinent information, as well as any slides Dan may have taken of the sample with publication notes and date the photo was made.

Mineral Data
What's on the rock

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

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