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Phosphophyllite & Rittmannite

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BCK808177

Phosphophyllite & Rittmannite

Dan Behnke collection
Classic Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.5 × 0.9 cm
Description

You are bidding on a small sample with a very nice crystal of phosphophyllite in a pegmatite cavity with small tan sprays of rittmannite. I collected this sample myself 20 years ago and traded it to Dan in 2001. This a very good sample of this species from the Foote Mine and few samples were recovered! One original slide scanned and shown here. 

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

Phosphophyllite

Formula: 
Zn2Fe(PO4)2·4H2O
Strunz: 
8.CA.40
Crystal System: 
Monoclinic Prismatic crystals, often twinned
Hardness: 
3.0 - 3.5
Type Locality: 
Hagendorf North Pegmatite (Meixner Feldspar Pit), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Rittmannite

Formula: 
{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
3.5
Type Locality: 
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu District, Portugal

Seller Information

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