Lêer:Arsenopyrite (Panasqueira, Portugal) (cropped).jpg
Oorspronklike lêer (2 352 × 1 441 piksels, lêergrootte: 2,06 MG, MIME-tipe: image/jpeg)
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Opsomming
BeskrywingArsenopyrite (Panasqueira, Portugal) (cropped).jpg |
Arsenopyrite mass from Panasqueira, Portugal. (CMNH 11477, Cleveland Museum of Natural History, Cleveland, Ohio, USA) A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties. At its simplest, a mineral is a naturally-occurring solid chemical. Currently, there are over 4900 named and described minerals - about 200 of them are common and about 20 of them are very common. Mineral classification is based on anion chemistry. Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates. The sulfide minerals contain one or more sulfide anions (S-2). The sulfides are usually considered together with the arsenide minerals, the sulfarsenide minerals, and the telluride minerals. Many sulfides are economically significant, as they occur commonly in ores. The metals that combine with S-2 are mainly Fe, Cu, Ni, Ag, etc. Most sulfides have a metallic luster, are moderately soft, and are noticeably heavy for their size. These minerals will not form in the presence of free oxygen. Under an oxygen-rich atmosphere, sulfide minerals tend to chemically weather to various oxide and hydroxide minerals. Arsenopyrite has, as the name suggests, the chemistry of pyrite (iron sulfide) plus some arsenic. Arsenopyrite is FeAsS - iron arsenic sulfide. It is the most common arsenic-bearing mineral on Earth. It has a metallic luster, silvery color, blackish streak, and a hardness of about 5.5 to 6. When heated, it gives off a garlic smell (the smell of arsenic). Photo gallery of arsenopyrite: www.mindat.org/gallery.php?min=305 |
Datum | |
Bron | Arsenopyrite (Panasqueira, Portugal) |
Outeur | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/18601372673. It was reviewed on 28 Junie 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
28 Junie 2015
This file has been extracted from another file : Arsenopyrite (Panasqueira, Portugal).jpg |
Items portrayed in this file
uitbeelding
some value
copyrighted Engels
captured with Engels
Nikon D70s Engels
22 November 2008
exposure time Engels
0,008 sekonde
f-number Engels
10
focal length Engels
200 millimeter
ISO speed Engels
1 600
media type Engels
image/jpeg
checksum Engels
b2c48e841238a1e28fd0c0738c0db61dc14c2b9f
data size Engels
2 164 715 greep
height Engels
1 441 pieksel
width Engels
2 352 pieksel
Lêergeskiedenis
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Datum/Tyd | Duimnael | Dimensies | Gebruiker | Opmerking | |
---|---|---|---|---|---|
huidig | 18:30, 29 Junie 2015 | 2 352 × 1 441 (2,06 MG) | Tillman | Cropped version of File:Arsenopyrite (Panasqueira, Portugal).jpg using CropTool. |
Lêergebruik
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Metadata
Die lêer bevat aanvullende inligting wat moontlik deur 'n digitale kamera of skandeerder bygevoeg is.
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Kameravervaardiger: | NIKON CORPORATION |
---|---|
Kameramodel | NIKON D70s |
Beligtingstyd | 1/125 sek (0,008) |
F-getal | f/10 |
ISO/ASA-waarde | 1 600 |
Gegewens opgestel op | 15:13, 22 November 2008 |
Brandpuntsafstand | 200 mm |
Breedte | 3 008 px |
Hoogte | 2 000 px |
Grepe per komponent |
|
Piksel-komposisie | RGB |
Oriëntasie | Normaal |
Aantal komponente | 3 |
Horisontale resolusie | 300 dpi |
Vertikale resolusie | 300 dpi |
Sagteware gebruik | Adobe Photoshop Elements 13.0 (Macintosh) |
Tydstip laaste lêerwysiging | 23:34, 27 Junie 2015 |
Y- en C-posisionering | Val saam |
Beligtingsprogram | Nie bepaal |
Exif-weergawe | 2.21 |
Datum en tyd van digitalisering | 15:13, 22 November 2008 |
Betekenis van elke komponent |
|
Beeldkompressiemetode | 4 |
Sluitersnelheid in APEX | 6,9657842861166 |
Diafragma in APEX | 6,6438561438561 |
Beligtingskompensasie | 0 |
Maksimale diafragma-opening | 5,0219238147438 APEX (f/5,7) |
Metode van ligmeting | Patroon |
Ligbron | Onbekend |
Flits | Flits het afgegaan, stroboskoop-ontvangs raakgesien, outomatiese modus |
Datum tyd subsekondes | 80 |
Subsekondes tydstip datagenerasie | 80 |
Subsekondes tydstip digitalisasie | 80 |
Ondersteunde Flashpix-weergawe | 1 |
Kleurruimte | sRGB |
Meetmetode | Eén-chip-kleursensor |
Lêerbron | Digitale fotokamera |
Soort toneel | 'n Direk gefotografeerde beeld |
Aangepaste beeldverwerking | Normale verwerking |
Beligtingsinstelling | Outomatiese beligting |
Witbalans | Outomatiese witbalans |
Digitale zoomfaktor | 1 |
Brandpuntsafstand (35mm-ekwivalent) | 300 mm |
Soort opname | Standaard |
Toneelbeheer | Lae pieke omhoog |
Kontras | Normaal |
Versadiging | Normaal |
Skerpte | Normaal |
Bereik objekafstand | Onbekend |
Lens gebruik | 18.0-200.0 mm f/3.5-5.6 |
Reeksnommer van die kamera | 1004a0cc |
Datum waarop metadata laas verander is | 19:34, 27 Junie 2015 |
Unieke ID van die oorspronklike dokument | 681ACC0579EE94EFC4DD50CFFFD5D596 |