Crystal twinning patterns in a leucite crystal from volcanic rock, observed in polarized light by Dr. Michael M. Raith of the Steinmann Institut, University of Bonn, Bonn, Germany. Dr.
火山岩中白榴石的晶体结构，来自德国波恩大学施泰因曼学院的迈克尔·m·雷斯教授用偏振光照射白榴石并拍摄到了该照片。
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Steinmann's spark grew from a simple pattern for a felted hat that her mother gave her.
CNN: Crowning glory: The art of Kentucky Derby hats
Siverson and Steinmann chat with their customers, listening for the nuances in their voices.
In the same way a painter communicates with a custom palette, Steinmann and other designers speak fabric.
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