Harmotome on Witherite
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Settlingstones mine, Haydon Bridge, Northumberland, England
1370
Small glistening harmotome crystals formed over a transparent witherite hemisphere. Rich for the location ex. K. Snell collection
Formulas: Harmotome (Ba0.5,Ca0.5,K,Na) 5[Al5Si11O32] .12H2O ; Witherite BaCO3
Status: Sold
Dimensions: 70x40x32mm
Size: Small Cabinet (S)
Barite pseudomorph after Alstonite
The Mineral World of John Ruskin
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