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In one dramatic example of the necessity of predicting crystal structures, scientists in the late 1990s discovered that capsules of the HIV drug ritonavir later transformed from the known crystal form into an unknown but more stable form.

Most users provoke the stress response from the toad, dry the toxin into a crystal form and smoke it.

Now, they value the beauty and aesthetics over the composition and consider a mineral’s luster, transparency, crystal form and geometry.

In crystal form, elements such as silicon might register an interaction with dark matter at lower energies than traditional detectors, opening up a new avenue for discovery.

As sweets cool, the dissolved sugar tends to return to crystal form, ruining the smooth texture.