A Geoscience Digital Image Library

TitleLarge euhedral quartz crystal
DescriptionThis large quartz crystal is 18 cm in longest dimension. Quartz (SiO2) is one of the most common minerals on earth and occurs in many different mineral environments. It is an important and essential mineral in many kinds of rocks. Quartz has many different appearances and can have just about any color or shape. Typically, quartz crystals are not as large as the one shown, and in most rocks they are not euhedral (do not have well developed crystal faces).
LocationUSA ▹ Texas. Near Llano.
PhotographerTwyla Baker. 2001-06-28.
CollectionUniversity of North Dakota Mineralogy Collection.
Key wordsquartz, Texas
Tech details710 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number935