File:"Blue Quartz" glass (China) 5.jpg

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Description"Blue Quartz" glass (China) 5.jpg	English: This attractive material is manmade glass attributed to China. It has been nicknamed "Blue Quartz" glass. It is used to make small decorative objects such as costume jewelry. Knappers shape the glass into arrowheads and spearpoints as art.
Date	2 September 2023, 21:59:00
Source	https://www.flickr.com/photos/47445767@N05/53160446624/
Author	James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53160446624. It was reviewed on 5 September 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

5 September 2023

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:13, 5 September 2023		4,000 × 1,896 (4.73 MB)	Ser Amantio di Nicolao (talk \| contribs)	Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53160446624/ with UploadWizard

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	Canon
Camera model	Canon PowerShot D10
Exposure time	1/60 sec (0.016666666666667)
F-number	f/10
ISO speed rating	80
Date and time of data generation	21:59, 2 September 2023
Lens focal length	9.681 mm
Width	4,000 px
Height	3,000 px
Bits per component	8 8 8
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
Software used	Adobe Photoshop Elements 18.0 (Macintosh)
File change date and time	23:00, 2 September 2023
Y and C positioning	Co-sited
Exif version	2.21
Date and time of digitizing	21:59, 2 September 2023
Meaning of each component	Y Cb Cr does not exist
Image compression mode	3
APEX shutter speed	5.90625
APEX aperture	6.65625
APEX exposure bias	−0.66666666666667
Maximum land aperture	3.625 APEX (f/3.51)
Metering mode	Pattern
Flash	Flash fired, compulsory flash firing, red-eye reduction mode
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	16,460.905349794
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Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
File source	Digital still camera
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard
Lens used	6.2-18.6 mm
Date metadata was last modified	19:00, 2 September 2023
Unique ID of original document	5FABC5E18920A454CF0582F1E6C2E0EF
IIM version	32,767

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File:"Blue Quartz" glass (China) 5.jpg

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