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bayldonite

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Bayldonite (BAIL-done-ite) is a rare secondary mineral with the chemical formula PbCu3(AsO4)2(OH)2. Its provenance has been attributed to Penberthy Croft Mine, Cornwall, England, United Kingdom but there is no substantiating evidence for this and it was only attributed to Cornwall by Church (1865). Also, Church’s paper (Church, 1865) clearly states “I am indebted to Mr. Talling for this mineral species also.” so the original material was supplied by the mineral dealer Richard Talling and not discovered by Bayldon. Bayldonite was named after Church's dear friend and colleague at the Royal Agric

In the Vinony graph

Vinony's link graph records 15 inbound references to bayldonite, and connects out to United States, Namibia and Arizona.

It is catalogued under topics including Arsenate minerals, Copper minerals and Gemstones.

Vinony links it to 14 Wikipedia language editions.

Key facts

Mineral.boxbgcolor
548469
Mineral.name
Bayldonite
Mineral.boxtextcolor
fff
Mineral.image
File:Bayldonite-Malachite-160206.jpg
Mineral.caption
Bayldonite, Tsumeb, Namibia
Mineral.category
Arsenate minerals
Mineral.formula
PbCu3(AsO4)2(OH)2
Mineral.IMAsymbol
Bay
Mineral.strunz
8.BH.45
Mineral.system
Monoclinic
Mineral.class
Prismatic (2/m) (same H-M symbol)
Mineral.symmetry
C2/c
Mineral.color
Green, apple-green
Mineral.habit
Mammillary crust
Mineral.twinning
Pseudoscalenohedral trillings with the composition plane
Mineral.cleavage
None observed
Mineral.fracture
Irregular/uneven, conchoidal, sub-conchoidal, fibrous
Mineral.tenacity
Brittle

via Wikipedia infobox

Wikidata facts

Subclass of
arsenate mineral
Image
Bayldonite-173845.jpg
Show 7 more facts
Strunz 8th edition (series ID, updated)
VII/B.14
Commons category
Bayldonite
Nickel-Strunz 9th edition (updated 2009)
8.BH.45
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
8.BH.45
IMA Mineral Symbol
Bay
chemical formula
Cu₃PbO(AsO₃OH)₂(OH)₂
Sources (1)

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Encyclopedic overview

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Contents
  • References

Bayldonite (BAIL-done-ite) is a rare secondary mineral with the chemical formula PbCu3(AsO4)2(OH)2. Its provenance has been attributed to Penberthy Croft Mine, Cornwall, England, United Kingdom but there is no substantiating evidence for this and it was only attributed to Cornwall by Church (1865). Also, Church’s paper (Church, 1865) clearly states “I am indebted to Mr. Talling for this mineral species also.” so the original material was supplied by the mineral dealer Richard Talling and not discovered by Bayldon. Bayldonite was named after Church's dear friend and colleague at the Royal Agricultural College (RAC),Cirencester, Gloucestershire John Bayldon MD (1837 – 1872). Specimens are also found in Tsumeb, Namibia, and Arizona, United States. It is sometimes used as a gemstone.

==References==

Excerpted from Wikipedia’s “bayldonite” article, available under the CC BY-SA 4.0 licence.

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