User:Kinhull
Pyromorphite is a mineral species composed of lead chlorophosphate: Pb5(PO4)3Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. First distinguished chemically by Martin Heinrich Klaproth in 1784, it was named pyromorphite by Johann Friedrich Ludwig Hausmann in 1813. It is usually green, yellow or brown in color, with a resinous lustre. Crystals are common and have the form of a hexagonal prism terminated by the basal planes, sometimes combined with narrow faces of a hexagonal pyramid. Other forms include crystals with a barrel-like curvature and globular or reniform masses. Pyromorphite is part of the apatite group of minerals and bears a close resemblance physically and chemically with two other minerals, mimetite and vanadinite. This focus-stacked photograph, merged from 26 separate images, shows a sample of pyromorphite extracted from the Resuperferolitica Mine in Santa Eufemia, in the Spanish province of Córdoba. The sample measures 3.5 cm × 3.0 cm × 1.5 cm (1.38 in × 1.18 in × 0.59 in).Photograph credit: David Ifar
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Pic of the day
[edit]| 19:23, Saturday, November 9, 2024 (UTC) |
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Did you know
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Kent shaving brushes
- ... that Kent Brushes have supplied their products (examples pictured) to every British monarch since George IV?
- ... that He Jianshi used Chinese opera to advance a revolution against the Qing dynasty?
- ... that crab is served in school meals in Toyama Prefecture?
- ... that Aniello Prisco was shot to death while trying to extort a crime boss?
- ... that the rural village of Neath, New South Wales, had a population of three Tok Pisin speakers in 2021?
- ... that Canadian microbiologist Patricia Taylor helped American diplomats hide in her house in Tehran during the Iran hostage crisis?
- ... that a "glomping circle" in 2008 reportedly lasted seven hours?
- ... that Margaret Pargeter published 49 books in eleven years, with another book following eleven years later?
- ... that the Holy See has an official anime mascot?
In the news
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Donald Trump
- Donald Trump (pictured) wins the United States presidential election.
- Maia Sandu is re-elected President of Moldova.
- In baseball, the Yokohama DeNA BayStars defeat the Fukuoka SoftBank Hawks to win the Japan Series.
- A canopy collapse at Serbia's Novi Sad railway station kills fourteen people.
Selected anniversaries
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People walking through Checkpoint Charlie in Berlin
- 1888 – Mary Jane Kelly, widely believed to be the fifth and final victim of the notorious unidentified serial killer Jack the Ripper, was murdered in London.
- 1914 – World War I: Off the Cocos (Keeling) Islands, the Australian light cruiser Sydney sank Emden, the last active German warship in the Indian Ocean, at the Battle of Cocos.
- 1939 – World War II: A covert Sicherheitsdienst operation captured two British agents of the Secret Intelligence Service near Venlo in the Netherlands.
- 1989 – East German official Günter Schabowski mistakenly announced the immediate opening of the inner German border, resulting in the fall of the Berlin Wall that night (border crossing pictured).
- 2019 – Pakistani prime minister Imran Khan inaugurated the Kartarpur Corridor, a visa-free border crossing connecting the Gurdwara Darbar Sahib to the India–Pakistan border.
- Domenico Lorenzo Ponziani (b. 1719)
- Lenore Romney (b. 1908)
- Harry Trott (d. 1917)
- Nadezhda Alliluyeva (d. 1932)
More anniversaries:
Today's featured article
[edit]Wikipedia:Today's featured article
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Portals, wiki news & other things
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| 6 November 2024 |
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To find out how many edits anyone has done just click on: User Edit Counter (Interiot's tool)
The Contribution summary includes: Username, Total edits, User groups, Image uploads, Distinct pages edited, Edits/page (avg), Avg edits/day, Deleted edits, First edit, Edits by namespace, Various Graphs
My Infobox
[edit]I am Kinhull.
I started editing wikipedia at 10:49 23 October 2005.
I like Distributed Computing (currently via the BOINC platform).
I am also a fan of the works of Arthur C. Clarke.
I am the founder of Team ACC - Arthur C Clarke Fans, an international BOINC community team.
I have written a BOINC mini-FAQ: 10 Frequently Asked Questions / Common Problems
My talk/discussion pages are here: User talk:Kinhull
| BOINC User | kinhull |
| BOINC Team |
Team ACC - Arthur C Clarke Fans |
| Website | Team ACC - Arthur C Clarke Fans |
| Forum |
Team ACC Forum |
| Statistics |
Team ACC Statistics |
| Games |
The Big Table Of Little Games |
| BOINC mini-FAQ | 10 Frequently Asked Questions / Common Problems |
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