Avatar of Museum of Mineralogy and Petrography, UAIC
Iaşi, Romania

⚒️🏛️ First geological museum in Romania, with more than 25.000 samples of minerals, gemstones and rocks from all over the world. 📷💎

Crystal twinning 3D Models

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A twin is a symmetrical intergrowth of two (or more) crystals of the same substance. Such crystallographically controlled intergrowths are called twinned crystals.