Botryoidal Prehnite Specimens
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Botryoidal Prehnite Specimens

Price range: $19.25 through $27.50

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Take a look at our incredible botryoidal prehnite specimens featuring smooth, rounded formations and soft green hues. Each piece is unique—ideal for collectors, display, or educational use.

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Description

Discover the distinctive beauty of botryoidal prehnite specimens, each one showcasing the characteristic rounded, bubble-like formations that define this growth habit. “Botryoidal” refers to the bubble-like growth patterns, a result of mineral deposition under specific geological conditions. The smooth, curving surfaces create a tactile and visually engaging specimen, with each piece offering its own unique shape and arrangement of nodules.
Prehnite is prized for its soothing green shades, which can range from pale, translucent mint to deeper olive tones. The coloration of each specimen is entirely natural, often enhanced by subtle variations and occasional inclusions that add depth and interest. When light passes over the surfaces, the botryoidal structure becomes even more apparent, revealing the intricate patterns formed over thousands of years.
These specimens are perfect for collectors who appreciate unusual mineral habits and the artistry of natural formation. Their organic shapes and gentle color make them appealing for display on a shelf, in a cabinet, or as a centerpiece in a mineral collection. Whether you’re a seasoned collector, a geology enthusiast, or simply someone who enjoys the natural world, these prehnite specimens offer a captivating blend of form and color.
Botryoidal prehnite is also valued as an educational tool, providing a tangible example of mineral growth processes and the diversity found in nature. These pieces are ideal for classroom study, geology demonstrations, or as a unique gift for anyone interested in earth science.
Each specimen is sold individually, and no two are exactly alike. These botryoidal prehnite specimens are a wonderful way to bring the beauty of natural mineral formation into your space or collection.

Options:

  1. Approx. 3.00″, 126g
  2. Approx. 2.50″, 103g
  3. Approx. 2.625″, 157g

This prehnite with epidote tower is a WYSIWYG.

For those who are unfamiliar with WYSIWYG, it means: What You See Is What You Get. Pieces identified as WYSIWYGs are not a random pull of stones that are similar to the one(s) pictured. Instead, you receive the actual piece that is pictured.

About Prehnite & Actinolite Combinations

Did you know that there are at least 2 tourmaline-shaped that are commonly found with prehnite that are NOT black tourmaline? In some cases, it is epidote. In others, it is a form of amphibole, often considered actinolite, but could be other members of the amphibole supergroup. Usually, if you know the exact mining location, you will be able to tell whether it is epidote or actinolite. Much of what is found more recently is epidote. They are never black tourmaline, as they are not known to grow together.

Learn more about prehnite here and epidote here. For the discussion about this topic on mindat.org, click this link.

If you have a hankering for black tourmaline, take a look at these.

Please Note:

  1. Sizes and weights are approximate. Dimension sizes can vary based on the way the rock is formed. We hand measure our pieces on the longest side. Please see the pictures in the listing.
  2. The colors may vary due to monitor and lighting differences.
  3. Please use your own judgment when allowing children to handle.
  4. Not suggested for use in animal habitats or fish tanks.

Additional information

Weight N/A
Options

1, 2, 3

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