From The Stone, 2001.

From Pentagram, 1995.

From Red Herring, Dec. 1993.

Playing the cave crystals.  From St. Nicholas, 1913.

"The crystal's secret.  What is it?"  From The Children's Newspaper, 1927.

"Frigid winter fashions crystal."  From Ohio State University's 1970 yearbook.

For those times one needs to cover one's bases.  From Wizardry III: Legacy of Llylgamyn, The Third Scenario handbook.

From the Montana School of Mines yearbook of 1960.

From our review of the Handbook of Unusual Natural Phenomena by William R. Corliss (1977).

Here's an example of how a diamond makes anything classy.  From Fantastic Science Fiction, vol. 5, no. 04.

From Crystal Woman by Lynn V. Andrews.

If you've wondered about quartz prices, this may explain everything.  From the Wizardry: Bane Of The Cosmic Forge Clue Book.

We did a search for a story with multifaceted characters, lots of background, and dramatic turns that truly capture the human experience ... and we found The Autobiography of a Crystal [multifaceted, to a flaw!] in the Formation of the Solar System [now there's some background!] From the Incremation of the Sphere of Equity in the Heavens [too few authors make an effort with the incremation of the sphere of equity in the heavens, if you ask us]—the Fall of Lucifer [sensationalist, yes, but always fun]—Dissolving of Chaos and Beginning of This Resurrection, Commonly Called the Creation of Heaven and Earth, To the Expulsion of Adam From Eden by Cyrus George Dunn, 1876.

From The Link, 1960.

Crystals are essential to learning.  From North Central's 1910 yearbook.

"An impulse led me hastily to put the crystal out of sight."  From Everybody's Magazine, 1908.