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Dan-dagu-taung, Marble Ark, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmari
Regional Level Types
Dan-dagu-taung- not defined -
Marble Ark- not defined -
Mogok TownshipTownship
Pyin-Oo-Lwin DistrictDistrict
Mandalay RegionRegion
MyanmarCountry

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Key
Latitude & Longitude (WGS84):
22° 55' 10'' North , 96° 25' 59'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Mogok90,843 (2016)7.8km
Other/historical names associated with this locality:
Burma


The main rock is scapolite marble.
At the foot of the Dan-dagu Hill rubies and fewer sapphires were recovered from the sandy byôn, beneath the marble outcrops. Gem mining was carried out in an open-pit scheme, using mechanized pulsating jigs. Rubies, sapphires, and spinels of all grades, but small in size were recovered from the alluvium. Star rubies and star blue sapphires of all qualities were reportedly found.
Rubies were also recovered from the primary marble deposit. Near-colorless scapolite crystals covered with whitish feldspar and other minerals were also found. In 2005 the mines were closed. - Ted Themelis (2008) Gems and Mines of Mogok.

A visit in 2015 (H. Schillhammer) showed the mines being operational.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 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
Reference: Ted Themelis (2008) Gems & mines of Mogok
Pyrite
Formula: FeS2
Reference: Harald Schillhammer collection
'Scapolite'
Reference: Ted Themelis (2008) Gems & mines of Mogok
Spinel
Formula: MgAl2O4
Reference: Ted Themelis (2008) Gems & mines of Mogok
Sulphur
Formula: S8
Reference: Harald Schillhammer collection

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
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
Spinel4.BB.05MgAl2O4
Unclassified Minerals, Rocks, etc.
'Scapolite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Unclassified Minerals, Mixtures, etc.
Corundum
var: Ruby
-Al2O3
var: Sapphire-Al2O3
var: Star Ruby-Al2O3
var: Star Sapphire-Al2O3
'Scapolite'-

List of minerals for each chemical element

OOxygen
O Corundum (var: Ruby)Al2O3
O Corundum (var: Sapphire)Al2O3
O SpinelMgAl2O4
O Corundum (var: Star Ruby)Al2O3
O Corundum (var: Star Sapphire)Al2O3
O CorundumAl2O3
MgMagnesium
Mg SpinelMgAl2O4
AlAluminium
Al Corundum (var: Ruby)Al2O3
Al Corundum (var: Sapphire)Al2O3
Al SpinelMgAl2O4
Al Corundum (var: Star Ruby)Al2O3
Al Corundum (var: Star Sapphire)Al2O3
Al CorundumAl2O3
SSulfur
S PyriteFeS2
S SulphurS8
FeIron
Fe PyriteFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Themelis, T. (2008) Gems and Mines of Mogok. A&T Publishing, 352pp.

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian PlateTectonic Plate

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