Pyromorphite on Coronadite - image 1
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Pyromorphite on Coronadite

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The famous MMM mine at Broken Hill in Australia worked the line of lode orebody and is situated within the city of Broken Hill, towards the north-east. On this 6 x 4 cm miniature, Pyromorphite crystals coat both sides of a flat plate of Coronadite, a lead-manganese oxide of matt, sooty black appearance. The Coronadite is mainly masked by the butterscotch toffee coloured Pyromorphite and a very light creamy-tan fine-grained altered sandstone. The Pyromorphite forms glassy, parallel sided prisms with a simple, flat pinacoid, the latter often a slightly lighter shade than the prism. The crystals range between 1 and 5 mm long and where they contact the Coronadite, appear a greyish graphite-tinged pale orange. The base and edges are coated with fine acicular Pyromorphite crystals of pale straw to limey lemon.

Origin: MMM Mine, Broken Hill, Yancowinna Co., New South Wales, Australia

Product details

SizeSmall Cabinet
Dimensions6.0 x 4.2 x 1.5 cm
Added on10/24/2024
Current owner
Unknown Owner
Previous owners
DateCollectorAcquisition price
—Crystal ClassicsNot disclosed

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Pyromorphite
Mineral guide
Learn about Pyromorphite
neon apple-green to olive crystals with resinous luster, in pipe-organ clusters; prized for color, texture, and European to Chinese localities.
Pyromorphite
Regional guide
Pyromorphite from MMM Mine
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Locality guide
MMM Mine
MMM Mine, Australia — Broken Hill locality yielding oxidised Pb-Zn-Ag minerals; lime-to-olive pyromorphite and smithsonite botryoids, prized by collectors.