Samples with Rotatable Images (1485)

These are samples that have QuickTimeVR 3D and JavaScript stereoscopic rotatable images associated with one or more samples. You can download the latest version of QuickTime for Macintosh or Windows from http://www.apple.com/quicktime/download. To make these files I first used a "VR Micro Studio", which consisted of an up-side-down panorama head, a three-axis adjustable tripod mount, and a 1000W halogen light. The camera was covered with tinfoil to keep it from burning up under the hot light. After making about 130 3D images (almost 10,000 individual photographs) I got a fiber optic illumination system and my studio looked like this. It was much more flexible, and doesn't get hot at all. Light really is the key to photographing small things: You need a lot of it close in. Then after another 50 or so I finally got an automatic turntable. Commercial stepper-motor systems are available, but they are very expensive and I've found they all vibrate, which disturbs delicate arrangements. I instead use a cheap surplus turntable with a 5 revolution per hour timing motor, combined with a time lapse control set to take a picture every 10 seconds. That works out to 72 images in one 12-minute revolution. If you do the math, the motion blur is less than one pixel even at a 1/15 second exposure, so a stepper motor that starts and stops is really not necessary. That was good, but in preparing for a Discovery Channel film project, I needed to upgrade to 360 steps instead of 72, and I wanted to be able to handle all sizes from nearly microscopic to a couple hundred pounds. The solution was a pair of custom-machined (by me, of course) turntables, cast iron mounts and a slate base for everything (because of vibrations, which are a big problem for samples less than about 5mm across). In late 2004 the studio looks like this.

Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.

Text and images Copyright (c) 2010 by Theodore W. Gray.
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Titanium
Titanium Rutile Quartz from Jensan Set
3D3D
Rutile Quartz from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: TiO2+SiO2
Titanium
Titanium Rutile Quartz from Jensan Set
3D3D
Rutile Quartz from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: TiO2+SiO2
Titanium
Titanium Titanium dioxide powder
3D3D
Titanium dioxide powder.
Source: eBay seller arkie-annie
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $40
Size: 2"
Composition: TiO2
Titanium
Titanium Titanite
3D3D
Titanite.
Source: Jensan Scientifics
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: Anonymous
Size: 1"
Composition: CaTi[O+SiO4]
Vanadium
Vanadium Vanadium emerald
3D
Vanadium emerald.
Source: eBay seller rrgaetan
Contributor: Theodore Gray
Acquired: 22 August, 2002
Text Updated: 11 August, 2007
Price: $10
Size: 0.15"
Purity: <2%
Vanadium
Vanadium Sample from the RGB Set
3D3D
Sample from the RGB Set.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 25 January, 2003
Text Updated: 11 August, 2007
Price: Donated
Size: 0.2"
Purity: 99.7%
Vanadium
Vanadium Vanadium crunchies
3D3D
Vanadium crunchies.
Source: Max Whitby of RGB
Contributor: Theodore Gray
Acquired: 1 November, 2003
Text Updated: 29 January, 2009
Price: $142
Size: 5"
Purity: 99.9%
Vanadium
Vanadium Poster sample
3D3D
Poster sample.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 25 January, 2003
Text Updated: 4 May, 2007
Price: Donated
Size: 0.2"
Purity: 99.7%
Vanadium
Vanadium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 1 December, 2006
Text Updated: 14 January, 2007
Price: $40
Size: 0.75"
Purity: >99%
Sample Group: Coins
Vanadium
Vanadium Funny melted blob
3D3D
Funny melted blob.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 30 April, 2008
Text Updated: 30 April, 2008
Price: Anonymous
Size: 1"
Purity: 99.9%
Vanadium
Vanadium Fake Emerald
3D3D
Fake Emerald.
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $1
Size: 0.39"
Composition: ZrO2
Vanadium
Vanadium Vanadinite from Jensan Set
3D3D
Vanadinite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Pb5(VO4)3Cl
Chromium
Chromium Small crystal lumps 99.9%
3D
Small crystal lumps 99.9%.
Source: David Franco
Contributor: David Franco
Acquired: 17 May, 2002
Price: Donated
Size: 0.3"
Purity: 99.9%
Chromium
Chromium Shiny crystals
3D3D
Shiny crystals.
Source: Warut Roonguthai
Contributor: Warut Roonguthai
Acquired: 5 May, 2003
Price: Donated
Size: 1"
Purity: 99.999%
Chromium
Chromium Broken plate
3D3D
Broken plate.
Source: eBay seller akilawolf
Contributor: Theodore Gray
Acquired: 21 August, 2003
Text Updated: 4 May, 2007
Price: $5/pound
Size: 0.75"
Purity: 99.9%
Chromium
Chromium Broken and polished plate
3D3D
Broken and polished plate.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 1 July, 2006
Text Updated: 19 November, 2007
Price: Donated
Size: 2.5"
Purity: 99%
Chromium
Chromium Briquette
3D3D
Briquette.
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 30 October, 2006
Text Updated: 19 November, 2007
Price: Donated
Size: 1.5"
Purity: 99.8%
Chromium
Chromium Partially polished slab
3D3D
Partially polished slab.
Source: Juan Jimenez
Contributor: Juan Jimenez
Acquired: 12 May, 2007
Text Updated: 14 May, 2007
Price: Donated
Size: 12"
Purity: >99%
Chromium
Chromium Beautiful crystals
3D3D
Beautiful crystals.
Source: Juan Jimenez
Contributor: Juan Jimenez
Acquired: 12 May, 2007
Text Updated: 12 May, 2007
Price: Donated
Size: 1"
Purity: >99.9%
Chromium
Chromium Chrome plated gummy bear
3D3D
Chrome plated gummy bear.
Source: Switzerland
Contributor: Theodore Gray
Acquired: 19 November, 2007
Text Updated: 19 November, 2007
Price: $5
Size: 1"
Purity: >95%
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