Quartz Image

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

The Mineral News newsletter has expanded to sixteen (16) pages a month and it has added significant features such as frequent book reviews, photographs to supplement new mineral descriptions. Occasional color issues are produced as well.

Join the club, silver, gold and platinum-level memberships available as low as $10.00 a month. High quality mineral specimens mailed to your home or school each month. An affordable way to build your collection.

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

Quartz

Large Quartz Image

Mineral:

Quartz: SiO2

Comments:

Crystal druse of transparent quartz crystals.

Location:

Hot Springs, Arkansas, USA.

Scale:

Specimen size 6 cm.

Copyright:

© Dave Barthelmy

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