- Database
- Experimentalists
- Date
- 2012-01-01
- Parent sample
- Quartz alpha Brazil
- Thickness
- 7.5 $mm$
- Diameter
- 7.5 $mm$
- Surface roughness
- polished
- Sample changes
- Disappearance of spectral bands by change of modification
- Comments
- 11x8x7.5mm
- Temperature
- 928.0 $\pm$ 2.0 $K$
- Temperature max
- 928.0 $K$
- Type
- ambient air
- Fluid pressure
- 1000.0 $mbar$
- Number
- 1
- Layers
-
- Quartz beta Brazil , 7.5 $mm$
- Title
- Beta-quartz formation by heating from natural alpha-quartz
- Samples
- Sample
- Quartz beta Brazil (this sample)
- Processing steps
-
Step Chronology Date Type Process Changes #1 on parent sample 2012-01-01 thermal heating parent sample in-situ inside the spectrometer up to 928K Structure change of quartz from alpha to beta