StraboField vs Birefringence Uso & Estadísticas
StraboSpot2 is a sophisticated tool for collecting data during geological fieldwork. Data are organized spatially into Spots or conceptually using Tags. A spot is a point, line, or polygon that contains geologic data. Spots can be spatially referenced by your device’s GPS, Drawn manually onto the map, or can be referenced on images that you take in the field. Tags are flexible data or interpretations that apply to many spots over a varied spatial extent. Examples of tags are geologic units, metamorphic grade, or fold generations.
StraboSpot2 integrates with the StraboSpot digital data system, an open-source database for field geologic data funded by the National Science Foundation. All data collected in StraboSpot2 can be easily uploaded to your Strabospot.org account, or it can be exported locally to your device’s file system.
You can add custom basemaps or overlays to your StraboSpot2 project using the StraboSpot My Maps tool at strabospot.org, mapwarper, or MapBox Studio. Custom basemaps as well as the built in basemaps can be downloaded for offline use.
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An interactive Michel-Lévy interference color chart that features a database of 562 minerals. Click on your observed color and section thickness, and the birefringence of your section will be automatically calculated, and candidate minerals will be suggested. The range of the chart can be be set to between 200 nm and 2500 nm. The chart can be offset by + or - λ, + or - λ/4. The chart can be used as a traditional nomogram, or displayed in a "simple" mode without the clutter of radial lines (which are no longer necessary on an interactive chart). Based on the methods of Sørensen (2013), the colors in the chart are a much truer representation of the colors seen at the microscope eye pieces than existing printed nomograms. The app includes optical and physical characteristics of candidate minerals including birefringence (minimum, maximum and mean), relief, optical character, pleochroism, color and cleavage.
The app includes the Raith-Sørensen color chart, which is also interactive. The Raith-Sørensen chart is a direct representation of interference color as a function of birefringence and sample thickness (Sørensen 2013).
A useful utility for polarized light microscopy, polariscopy, optical mineralogy, stress optics, or anyone with an interest in birefringent materials.
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StraboField VS. 
Birefringence19iciembre d, 2024