hydrogrossular garnet cabochon - Peru
hydrogrossular garnet cabochon - Peru

Hydrogrossular Garnet Value, Price, and Jewelry Information


Hydrogrossular differs from the other garnets in that it is never transparent. It ranges from translucent to opaque. The most common color is a blueish green, but they are also found in pink, white, and gray.

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Hydrogrossular differs from the other garnets in that it is never transparent. It ranges from translucent to opaque. The most common color is a bluish green, but they are also found in pink, white, and gray.

hydrogrossular garnet cabochon - Peru
Hydrogrossular garnet cabochon, 24.43 cts, 33.6 x 16 mm, Peru. © The Gem Trader. Used with permission.

Hydrogrossular differs from the other garnets in that it is never transparent. It ranges from translucent to opaque. The most common color is a bluish green, but they are also found in pink, white, and gray.

Because of its coloring and translucency, hydrogrossular is often used as a jade substitute. Large pieces are available, which lend themselves to carving.

Material from New Zealand is known as rodingite (N = 1.702, specific gravity 3.35). So-called Transvaal jade from South Africa occurs in green, gray-green, blueish, and pink colors. Compact and homogeneous, it may have a splintery fracture and waxy luster. The gray material contains zoisite. Pink material, containing Mn, has N = 1.675-1.705 and specific gravity of 3.27. The green, jade-like material has N = 1.728 and specific gravity 3.488.


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