Deltoidal Icositetrahedron - Occurrences in Nature and Culture

Occurrences in Nature and Culture

The deltoidal icositetrahedron is a crystal habit often formed by the mineral analcime and occasionally garnet. The shape is often called a trapezohedron in mineral contexts, although in solid geometry that name has another meaning.

Read more about this topic:  Deltoidal Icositetrahedron

Famous quotes containing the words occurrences, nature and/or culture:

    If to be venerated for benevolence, if to be admired for talents, if to be esteemed for patriotism, if to be beloved for philanthropy, can gratify the human mind, you must have the pleasing consolation to know that you have not lived in vain. And I flatter myself that it will not be ranked among the least grateful occurrences of your life to be assured that, so long as I retain my memory, you will be thought on with respect, veneration, and affection by your sincere friend.
    George Washington (1732–1799)

    It is by a wise economy of nature that those who suffer without change, and whom no one can help, become uninteresting. Yet so it may happen that those who need sympathy the most often attract it the least.
    —F.H. (Francis Herbert)

    As the end of the century approaches, all our culture is like the culture of flies at the beginning of winter. Having lost their agility, dreamy and demented, they turn slowly about the window in the first icy mists of morning. They give themselves a last wash and brush-up, their ocellated eyes roll, and they fall down the curtains.
    Jean Baudrillard (b. 1929)