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Mining Jadeite

Mining

Mining activities usually are carried out during the dry season from November to March each year. Primary deposits are worked using shafts and tunnels. Underground mining is slower and more expensive than surface mining, but evidently the quality and quantity of the jade makes it worthwhile. 

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Formation of Jadeite and Its Source

Formation of jadeite and its source.

1. Jadeitite - metamorphic rock.

2. Originated from the oceanic floor (ophiolitic) assemblage with associated rock types and are then metamorphosed to some degree, and now occur as serpentinites, amphiboles, ecologites and meta-sediments.

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Culture in Jade

Culture in Jade
Althrough quaint folklore and superstition heighten consumer interest in stones like sapphire and opal, they rarely clinch sales of these gems. But when it comes to jadeite, folklore and superstition are living reality and thus bona fide selling points. For 7,000 years, the ancient Chinese were using a variety of white to green stone known as ‘Yu’ in Chinese ‘玉’ or as the West would refer to as ‘Jade’. Appreciated for its toughness and is durability to wear and tear, many early civilisations used it for tools and ornaments. In China, most of the jade ornaments came from the Khotan, Sinkiang area. In other countries, the jade artifacts were found and appreciated by people in the Swiss Lake area of Europe, the Aztecs and Mayans of Central America (especially Guatemala and Mexico), itoigawa jade of Central Island of Honshu, Japan and Maori natives using dark green jade in New Zealand.

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Colours of Jadeite

Colours of Jadeite.

The mineral jadeite is allochromatic and, therefore, transparent and colorless in its pure form. Even such "pure" jadeite, however, usually appears to be white as a result of the scattering of light by fractures, openings on grain boundaries, and tiny aqueous fluid inclusions. In addition to white, jadeite comes in a variety of colors. The colors of jadeite found in Burma include a variety of shades of green ranging from very pale green to emerald-green, pale blue, pale violet or lavender, yellow, orange, burnt-sienna red, gray, and brown. Chhibber (1934: 67) provides an early description of the colors found in jadeite:

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Maintaining Jade

Maintaining Jade
Due to different polishing techniques, the lustre of jade will last differently. Poorly made ones will lose their lustre after 1-2 years.

In terms of maintenance,wash the jade item then wipe the jade with sheepskin. If the ambient humidity is quite low, then wipe the jade with a soft wet cloth to increase the surface moisture.

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Who are we?

The Geohavens name is an assurance of timeless beauty, distinct quality and uncompromising value. The Company spares no effort in sourcing from the farthest markets and the deepest mines in order to unearth the most attractive gems.

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