Mong Hsu Ruby Core

Mong Hsu ruby crystal. Heated Mong Hsu Ruby One reason I think it could be a Madagascan ruby is from your second picture there appear to be some small crystal inclusions.

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Partially dissolved rutile silk in heat treated Vietnamese ruby.

Mong hsu ruby core. Heated Mong Hsu rubies often have white cloudy patches as shown in the image below. Each of these images is copyright Lotus Gemology and reproduction without the express written permission of Lotus Gemology is strictly prohibited. Trace element oxide plots suggest marble sourcesfor Thurein Taung and Mong Hsu ruby and ultramafic-mafic sources for Mong Hsu dark coresNSW rubies suggest metasomatic Barrington Tops ultramafic to mafic Macquarie River andmetasomatic-magmatic New England sources.

Since untreated Mong Hsu ruby crystals actually display two colors. Mong Hsu ruby crystal growth and trace element analysis was used to establish a geochemical identity. Download scientific diagram A Mong Hsu ruby in the host rock.

The ruby is formed in a vein consisting of corundum sapphire ruby calcite Mgchlorite fuchsite and opaque minerals. This work is aimed to understanding clearly the characteristic of the dark. The journey to the worlds most important ruby deposits takes us further on to the small town of Mong Hsu in the North-East of Myanmar where the most important ruby deposits of the nineties lie.

A distinctive feature of Mong Hsu ruby crystals is their deep violet sapphire core which is surrounded by a red ruby rim. The rough Mong Hsu rubies show a characteristic blue core in the red ruby which may be removed by annealing the stones either in an oxidizing or a reducing atmosphere. GRS report says Burma Myanmar but neither Mogok nor Mong Hsu.

Mong Hsu rubies are nearly always high heated and nearly always with Borax -so a certified unheated is really rare - for a collector like me always nice but the price is to high imo. A purple to black core and a bright red periphery. The rubies from Möng-Hsu are generally unsaleable as mined.

This trend also was noted here in a core significantly enriched ppm in Cr 10036 Ti 1272 V 909 and Mg 1272 although Ta W and Th remained low. With heat treatment the violet core becomes a deep red. Originally it was believed that these rubies would hardly prove suitable for use in jewellery since untreated Mong Hsu ruby crystals actually display two colours.

Untreated as-mined Mong Hsu rubies however frequently show a characteristic blue to violet core within a red matrix which lowers their market value. A purple to black core and a bright red periphery. Beryllium treated orange sapphire partially re-crystallized melted inclusion.

The Mong Hsu zoned ruby-sapphire stands out not only for its contrasting dark cores and red rims but also for added complexity. This is the blue core found in Mong Hsu ruby crystals which becomes white cloudy when heated at high temperatures. Heat treated Mong Hsu ruby Photo courtesy of Apsaracouk.

Photo courtesy of Apsaracouk. Region of Mong Hsu in Shan State. The zoning also includes blue patches that differ from the dark.

13 Local legend holds that Mong Hsus rubies were discovered in the early 1990s by a former Mogok miner who was bathing in the river of his hometown and recognized rough rubies among the river pebbles at his feet14 Mong Hsu quickly became one of the chief sources for the world ruby market. Mong Hsu ruby Flux Healing Treatment Foreign Affairs 1 August 1997 A description of the fracture healing of Mong Hsu ruby along with the problems this has created in the gem trade. Crystal the unique dark violet core colour zone which is typical of the corundum crystals from this deposit while no diasporc was found as coat- ings in twin lamellae or in veins.

As a result of the treatment in an oxidizing environment whitish cloudy particles occasionally occur replacing the previously blue area. The study recorded dark cores which were elevated in Cr V Mg Ta W and Th values. Today the Mong Hsu mine shaft is 120 meters deep and the tunnels at the bottom of the shaft span across a 29-acre plot following the rock veins.

Share your thoughts experiences and the tales behind the art. Originally it was believed that these rubies would hardly prove suitable for use in jewellery since untreated Mong Hsu ruby crystals actually display two colours. A well-known European dealer sells a 25-carat Möng Hsu ruby to a major jeweler in Europe.

The mine uses the shaft mining method to operate. Trace element oxide plots suggest marble sources for Thurein Taung and Mong Hsu ruby and ultramafic-mafic sources for Mong Hsu dark cores. The orange colour rim is clearly visible around the pink core.

Only when it had been discovered that the dark core could be turned into deep red by means of heat treatment did rubies from Mong Hsu begin to find their way on to the jewelry market. NSW rubies suggest metasomatic Barrington Tops ultramafic to mafic Macquarie River and metasomatic-magmatic New England sources. A purple to black core and a bright red periphery.

A description of the fracture healing of Mong Hsu ruby along with the problems this has created in the gem trade. Foreign Affairs The Fracture HealingFilling of Mong Hsu Ruby. Trace element oxide plots suggest marble sources for Thurein Taung and Mong Hsu ruby and ultramafic-mafic sources for Mong Hsu dark cores.

Ruby deposit in the region of Mong Hsu and showed the group a series of rough samples with violet cores and red outer layers called rims here for simplicity. Abstract Mong Hsu rubies from Myanmar include typically the dark core and blue patch but most of the previous research has merely focused on the dark core. NSW rubies suggest metasomatic Barrington Tops ultramafic to mafic Macquarie River and metasomatic-magmatic New England sources.

Makes these images available to the public for educational puposes only. The blue core is typical for a ruby from Mong Hsu - Myanmar too but not Mogok. After the discovery of rubies in the Mong Hsu district Myanmar Burma in 1991 this area has turned out to be one of the major ruby sources for the jewellery industry.

J Gemm 1995 24 5 Fig. Mong ruby 254 et traversed by irregular veins Of diaspore. Typically rubies from Mong Hsu will undergo heat treatment to reach their highest potential and the largest market for Mong Hsu rubies is Thailand.

A small town of Mong Hsu in the North-East of Myanmar is where the most important ruby deposits of the nineties lie.

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Ruby Set 2 38 Ct Burmese Mong Hsu Price 3 000