grandidierite rough stone – rare blue-green with impressive translucence. Crystal 39.05 ct- 7.81 g

This extraordinary raw Grandidierite captivates with its intense coloration and the appealing interplay between deep blue-green, turquoise, and softer greenish nuances. The material is especially impressive in transmitted light: light penetrates deeply into the stone and makes the blue-green areas literally glow, causing the natural inner structure to stand out particularly clearly.

In normal reflected light, the piece appears somewhat more restrained, displaying cool sea blue to blue-green tones. The rough surface has numerous small crystal and fracture facets that reflect light punctually, giving the stone a lively, slightly sparkling character. Occasional light matrix areas, as well as brownish and ochre inclusions, form a beautiful contrast to the dominant blue-green base color and emphasize the piece’s original character.

Particularly interesting is the pronounced translucence. While some areas appear denser and more intensely colored, other regions are clearly light-transmitting. When lighted from behind, this creates an intense spectrum from vibrant turquoise to emerald green and even almost aquamarine zones.

Grandidierite is a magnesium-aluminum borosilicate and is among the comparatively rare minerals. It is especially known for its attractive blue-green hues and its strong pleochroism, causing the perceived color to change with crystallographic orientation. Transparent to highly translucent qualities are particularly sought after, as a large part of the material found is distinctly opaque.

In the stone tradition, Grandidierite is also valued for its rarity. It is attributed with qualities such as inner clarity, calm, and self-confidence. It is said to help organize thoughts and to make decisions more consciously and with greater inner calm.

A particularly characterful rough Grandidierite, whose combination of vivid blue-green, natural crystal structure, and impressive light transmission excellently showcases the special aesthetics of this rare mineral.

Natural Grandidierite Crystal
Size: 33x14x10mm
Weight: 39.05 ct
Origin: Madagascar, Amboasary

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In some of the pictures the stone was backlit to show you the color of the stone.
In some stones we held a light under the stone to better show the color of the pieces. And color deviations may occur, as every computer, monitor, and smartphone can display colors with different qualities.

The disclaimer about the healing properties
as previously given:
It is believed that certain gemstones and minerals have beneficial health and spiritual properties.
We and Catawiki cannot guarantee or be held liable for these suggested attributes, which have no scientific evidence and cannot be considered a substitute for traditional medical treatment.