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Raley Design Studios

Dendritic Limestone, 8.30 cts

Dendritic Limestone, 8.30 cts

Regular price $5.00
Regular price $7.00 Sale price $5.00
Sale Sold out
Shipping calculated at checkout.

Natural, uncut face (top) displaying delicate branching manganese oxide crystals called dendrites. Flat, semi-satin back with beveled edge for ease of setting. Item pictured is the item you will receive.

• Take extreme care when setting; limestone is a calcite based rock and may crack under too much pressure. Use several passes of even pressure when setting.
• Avoid surface of stone when polishing setting.  Do not place stone in a tumbler.  Dendrites are an extremely thin layer on the stone’s surface.
• Avoid pickle and any harsh chemicals.  Limestone will dissolve in any acid. 

Weight: 8.30 carats
Length: 30.53 mm
Width: 7.84 mm
Height: 4.38 mm

Type: rock; limestone with manganese oxide 
Trade Name(s): Dendritic Limestone, Dendritic Flagstone, Dendritic Jasper*
Origin: Utah, USA 
Enhancement(s): (N) Natural

* Using the term "jasper" to describe this material is deceptive and a punishable crime under US Federal Trade Commission regulations.  Limestone is a calcite based sedimentary rock.  Jasper is an opaque form of cryptocrystalline quartz known as chalcedony.

American Gem Trade Association Gemstone Enhancement Codes

Enhancement: Any treatment process other than cutting and polishing that improves the appearance (color/clarity/phenomena), durability, or availability of a gemstone.

(N) Natural
No modification; natural stones which are not currently known to be enhanced (or currently has no known modification process).

Care Instructions


  • Take care to protect the gemstone when setting.
  • Avoid contact with abrasive materials, including polishes.  We have taken great care to bring out the brightest shine possible; using another abrasive may dull your gemstone's finished polish.
  • Avoid acids that could harm your gemstone, such as pickle.
  • Pearls should never be exposed to abrasives or chemicals.
  • Store gemstones in the pouch provided, or in a soft lined container away from other materials that may scratch or break gemstones; this includes other gemstones!


  • It's best to clean most gemstones with warm water and a mild dish soap.
  • Designate a soft toothbrush to use for cleaning.
  • Most gemstones should not be placed in an ultrasonic cleaner or in any jewelry cleaner containing chemicals.  The only gemstones that are generally safe in strong jewelry cleaners are strictly sapphires or diamonds.


Items ship within 1-2 business days, excluding U.S. holidays.

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  • Questions?

    If you have any questions on the care or cleaning of your gemstone(s) purchased from us, please send an email to  We are happy to provide any additional information on your piece.