File:Fluorite with Iron Pyrite.jpg

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Description	English: en:Fluorite with en:Pyrite, (Crystal courtesy of en:User:chaosdna) Deutsch: de:Fluorit mit de:Pyrit
Date	2007-05-22 (original upload date)
Source	Originally from en.wikipedia; description page is/was here.
Author	Original uploader was H at en.wikipedia
Permission ( Reusing this file)	CC-BY-2.5.

Licensing

This file is licensed under the Creative Commons Attribution 2.5 Generic license.

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).

CC-BY-2.5 Creative Commons Attribution 2.5 truetrue

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Mohs scale of mineral hardness

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon PowerShot S3 IS
Exposure time	1/500 sec (0.002)
F-number	f/6.3
ISO speed rating	80
Date and time of data generation	12:58, 22 May 2007
Lens focal length	6 mm
Width	2,816 px
Height	2,112 px
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	240 dpi
Vertical resolution	240 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS2 Windows
File change date and time	14:13, 22 May 2007
Shutter speed	8.965784
APEX aperture	5.310704
Exposure bias	0
Maximum land aperture	2.865919 APEX (f/2.7)
Metering mode	Centre weighted average
Flash	Flash did not fire, compulsory flash suppression, red-eye reduction mode
Colour space	Uncalibrated

The best way to learn

Schools Wikipedia was created by children's charity SOS Children. SOS Children helps more than 2 million people across 133 countries around the world. There are many ways to help with SOS Children's Villages.