Demantoid Garnet on Matrix Value Guide

- Period
- Late 19th century to present
- Origin
- Likely Russia or Iran
- Materials
- Andradite garnet, host matrix (silicate/limestone)
- Category
- Demantoid garnet
Demantoid Garnet on Matrix is a highly sought-after mineral specimen known for its intense olive-green hue and a fire that exceeds even that of diamonds. First discovered in Russia's Ural Mountains in the 19th century, these andradite garnets are especially collectible when preserved as well-formed crystal clusters still embedded in their original silicate or limestone host rock.
What Is Demantoid Garnet on Matrix Worth?
The typical price range for Demantoid Garnet on Matrix is $75 - $150 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:
- The intensity and saturation of the green color, with vivid 'emerald' greens commanding higher prices.
- The size and structural integrity of the individual garnet crystals within the cluster.
- The aesthetic balance and contrast between the green crystals and the light-colored host matrix.
- The geographic origin, with classic 19th-century Ural Mountain specimens often carrying a premium over newer Iranian or Moroccan finds.
How to Identify Demantoid Garnet on Matrix?
- Look for the characteristic olive-green to emerald-green color typical of the andradite variety.
- Examine the crystals for high adamantine luster and strong dispersion, which gives the stones their 'diamond-like' fire.
- Check the host rock for a light-colored silicate or limestone composition consistent with Russian or Iranian deposits.
- Verify the crystal habit, which typically presents as dodecahedral or trapezohedral forms on the matrix surface.
History of Demantoid Garnet on Matrix
Demantoid is the green gem-quality variety of andradite garnet first described in the 19th century. Noted for its vivid green color and strong dispersion, classic deposits include the Ural Mountains of Russia and later localities such as Iran and Morocco. Specimens with well-formed crystal clusters on matrix are prized by collectors and often trimmed for jewelry or sold as mineral display pieces.
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