Size of this preview: 800 × 532 pixels. Other resolutions: 320 × 213 pixels | 640 × 426 pixels | 1,024 × 681 pixels | 1,280 × 851 pixels | 3,008 × 2,000 pixels.
Original file (3,008 × 2,000 pixels, file size: 2.25 MB, MIME type: image/jpeg)
 | 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. |
Summary
| Description |
English: Pieces of Blue John at Treak Cliff Cavern, Derbyshire, England: unresined (left) and resined (right).
The stones are heated in an oven, then placed in a bowl of hot epoxy resin, and then further heated in a vacuum oven. This drives out air from the stone, and replaces it with the resin, which binds the otherwise friable crystal structure, allowing it to be worked. |
| Date | |
| Source | Own work |
| Author | Andy Mabbett |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported 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 give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:54, 9 May 2014 | | 3,008 × 2,000 (2.25 MB) | Pigsonthewing | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
