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Auk-inbyae (Lower Open-Pit), Kyauk-Pyat-That, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmari
Regional Level Types
Auk-inbyae (Lower Open-Pit)- not defined -
Kyauk-Pyat-That- not defined -
Mogok TownshipTownship
Pyin-Oo-Lwin DistrictDistrict
Mandalay RegionRegion
MyanmarCountry

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Key
Latitude & Longitude (WGS84):
22° North , 96° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~6km
Other/historical names associated with this locality:
Burma


The mining sites are situated at the edge of the Yadanar-kaday-kadar mine facing the Kabaing valley. In the mid-1990s the gems concessions were worked intensively and produced transparent rubies and sapphires of faceting grade. Star rubies and star blue sapphires of all qualities and sizes were often found. In 1993 a 50-carat silky ruby was the most valuable gem found in this mine. Low quality, silky, translucent to opaque, cabochon-grade rubies and blue sapphires are frequently recovered, some of them up to 300 grams.
Blue-pink parti-colored opaque sapphires are found. Color-shift sapphires are frequently encountered that appear blue in daylight and pink by incandescent light, but true color-change sapphires are never found. Most of these sapphires are of low to medium quality, opaque to semi-translucent, most suitable for cutting into cabochons. Few gems are transparent enough to be faceted, most of these small in size (less than 2-3 ct). Some of the zircons are large and of high quality.
These gems are recovered in a small-scale open-pits, using pulsating jigs. In 1999 there were 5 joint ventures mining ruby and sapphire from the alluvium. In 2002 the mine was closed. - Ted Themelis (2008) Gems and Mines of Mogok.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Corundum
Formula: Al2O3
Reference: Ted Themelis (2008) Gems & mines of Mogok
Corundum var: Ruby
Formula: Al2O3
Reference: Ted Themelis (2008) Gems & mines of Mogok
Corundum var: Sapphire
Formula: Al2O3
Reference: Ted Themelis (2008) Gems & mines of Mogok
Corundum var: Star Ruby
Formula: Al2O3
Reference: Ted Themelis (2008) Gems & mines of Mogok
Corundum var: Star Sapphire
Formula: Al2O3
Colour: Blue
Reference: Ted Themelis (2008) Gems & mines of Mogok
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Ted Themelis (2008) Gems & mines of Mogok
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Ted Themelis (2008) Gems & mines of Mogok
Zircon
Formula: Zr(SiO4)
Reference: Ted Themelis (2008) Gems & mines of Mogok

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Ruby4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
var: Star Ruby4.CB.05Al2O3
var: Star Sapphire4.CB.05Al2O3
Group 9 - Silicates
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Mixtures, etc.
Corundum
var: Ruby
-Al2O3
var: Sapphire-Al2O3
var: Star Ruby-Al2O3
var: Star Sapphire-Al2O3
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O Garnet GroupX3Z2(SiO4)3
O Corundum (var: Ruby)Al2O3
O Corundum (var: Sapphire)Al2O3
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Corundum (var: Star Ruby)Al2O3
O Corundum (var: Star Sapphire)Al2O3
O ZirconZr(SiO4)
O CorundumAl2O3
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al Corundum (var: Ruby)Al2O3
Al Corundum (var: Sapphire)Al2O3
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Corundum (var: Star Ruby)Al2O3
Al Corundum (var: Star Sapphire)Al2O3
Al CorundumAl2O3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si ZirconZr(SiO4)
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
ZrZirconium
Zr ZirconZr(SiO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ted Themelis (2008) Gems and Mines of Mogok.

Other Regions, Features and Areas containg this locality

AsiaContinent
Eurasian PlateTectonic Plate

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