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Namyazeik (Namya; Nanyazeik), Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District (Moe Hnyin District), Kachin State, Myanmari
Regional Level Types
Namyazeik (Namya; Nanyazeik)- not defined -
Hpakant Township (Hpakan; Phakant; Phakan)Township
Mohnyin District (Moe Hnyin District)District
Kachin StateState
MyanmarCountry

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Name(s) in local language(s):Namyazeik (Namya, Nanyazeik), Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District (Moe Hnyin District), Kachin State, Burma (Myanmar)
Latitude & Longitude (WGS84): 25° 40' North , 96° 33' East
Latitude & Longitude (decimal): 25.66667,96.55000
GeoHash:G#: whsdj03x4
Area:130 km2
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate
Other/historical names associated with this locality:Burma


Alluvial gemstones, including pink-red spinel of excellent quality.

Regions containing this locality

Indian Plate (India Plate)Tectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
'Apatite'
Reference: Han Htun & George E. Harlow. Identifying Sources among Burmese Rubies. American Museum Natural History website accessed 7/3/2013
'Biotite'
Reference: Aung, H. L., & Zin, T. T. (2017, November). Some Characteristics of Nanyaseik Area Corundum and Other Assorted Gemstones in Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 173-181). Springer, Singapore.
Calcite
Formula: CaCO3
Reference: Han Htun & George E. Harlow. Identifying Sources among Burmese Rubies. American Museum Natural History website accessed 7/3/2013
Chondrodite
Formula: (Mg,Fe2+)5(SiO4)2(F,OH)2
Reference: Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.
Corundum
Formula: Al2O3
Reference: Themelis, Ted, 2008, Gems and Mines of Mogok.
Corundum var: Padparadscha
Formula: Al2O3
Reference: Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Corundum var: Ruby
Formula: Al2O3
Reference: Han Htun & George E. Harlow. Identifying Sources among Burmese Rubies. American Museum Natural History website accessed 7/3/2013; Aung, H. L., & Zin, T. T. (2017, November). Some Characteristics of Nanyaseik Area Corundum and Other Assorted Gemstones in Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 173-181). Springer, Singapore.; Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.; Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Corundum var: Sapphire
Formula: Al2O3
Reference: Themelis, Ted, 2008, Gems and Mines of Mogok.; Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Diamond
Formula: C
Reference: Sieghart Ellenberger data
Diopside
Formula: CaMgSi2O6
Reference: Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.; Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Dolomite
Formula: CaMg(CO3)2
Reference: Han Htun & George E. Harlow. Identifying Sources among Burmese Rubies. American Museum Natural History website accessed 7/3/2013
Graphite
Formula: C
Reference: Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.
Painite
Formula: CaZrAl9(BO3)O15
Reference: Themelis, Ted, 2008, Gems and Mines of Mogok.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.
Quartz
Formula: SiO2
Reference: Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Rutile
Formula: TiO2
Reference: Han Htun & George E. Harlow. Identifying Sources among Burmese Rubies. American Museum Natural History website accessed 7/3/2013
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.
Spinel
Formula: MgAl2O4
Description: Red, gem quality.
Reference: http://www.burmarubies.com/Spinel.html; Peretti, A. and Günther, D. (2003): Spinel from Namya. Contrib. to Gemol., 2, 15-18. [http://www.gemresearch.ch/journal/No2/page15.htm]; Pardieu, V. (2014): Hunting for “Jedi” Spinels in Mogok. Gems & Gemology 50, 46-57. [https://www.gia.edu/gems-gemology/spring-2014-pardieu-jedi-spinels-in-mogok] ; Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Themelis, Ted, 2008, Gems and Mines of Mogok.; Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.
Zircon
Formula: Zr(SiO4)
Reference: Aung, H. L., & Zin, T. T. (2017, November). Exploring Gemstones in Northern Part of Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 182-188). Springer, Singapore.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Graphite1.CB.05aC
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Padparadscha4.CB.05Al2O3
var: Ruby4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 6 - Borates
Painite6.AB.85CaZrAl9(BO3)O15
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Chondrodite9.AF.45(Mg,Fe2+)5(SiO4)2(F,OH)2
Diopside9.DA.15CaMgSi2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Graphite1.3.6.2C
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
(AB)2X3
Painite7.5.2.1CaZrAl9(BO3)O15
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Chondrodite52.3.2b.2(Mg,Fe2+)5(SiO4)2(F,OH)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Biotite'-
Corundum
var: Padparadscha
-Al2O3
var: Ruby-Al2O3
var: Sapphire-Al2O3
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H PhlogopiteKMg3(AlSi3O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B PainiteCaZrAl9(BO3)O15
CCarbon
C DolomiteCaMg(CO3)2
C CalciteCaCO3
C DiamondC
C GraphiteC
OOxygen
O Corundum (var: Ruby)Al2O3
O SpinelMgAl2O4
O CorundumAl2O3
O Corundum (var: Sapphire)Al2O3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O PainiteCaZrAl9(BO3)O15
O DolomiteCaMg(CO3)2
O RutileTiO2
O CalciteCaCO3
O ZirconZr(SiO4)
O QuartzSiO2
O Corundum (var: Padparadscha)Al2O3
O AlmandineFe32+Al2(SiO4)3
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O PhlogopiteKMg3(AlSi3O10)(OH)2
O DiopsideCaMgSi2O6
O Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
FFluorine
F Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
MgMagnesium
Mg SpinelMgAl2O4
Mg DolomiteCaMg(CO3)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DiopsideCaMgSi2O6
Mg Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
AlAluminium
Al Corundum (var: Ruby)Al2O3
Al SpinelMgAl2O4
Al CorundumAl2O3
Al Corundum (var: Sapphire)Al2O3
Al PainiteCaZrAl9(BO3)O15
Al Corundum (var: Padparadscha)Al2O3
Al AlmandineFe32+Al2(SiO4)3
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si ZirconZr(SiO4)
Si QuartzSiO2
Si AlmandineFe32+Al2(SiO4)3
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si DiopsideCaMgSi2O6
Si Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca PainiteCaZrAl9(BO3)O15
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
TiTitanium
Ti RutileTiO2
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZrZirconium
Zr PainiteCaZrAl9(BO3)O15
Zr ZirconZr(SiO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neogene
2.588 - 23.03 Ma



ID: 3185708
Cenozoic sedimentary rocks

Age: Neogene (2.588 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Peretti, A. and Günther, D. (2003): Spinel from Namya. Contrib. to Gemol., 2, 15-18. [http://www.gemresearch.ch/journal/No2/page15.htm]
Pardieu, V. (2014): Hunting for “Jedi” Spinels in Mogok. Gems & Gemology 50, 46-57. [https://www.gia.edu/gems-gemology/spring-2014-pardieu-jedi-spinels-in-mogok]
Aung, H. L., & Zin, T. T. (2017, November). Some Characteristics of Nanyaseik Area Corundum and Other Assorted Gemstones in Myanmar. In International Conference on Genetic and Evolutionary Computing (pp. 173-181). Springer, Singapore.
Aung, H. L., & Zin, T. T. (2017, October). Nanyaseik ruby of phakant township, Kachin state, northern Myanmar. In Consumer Electronics (GCCE), 2017 IEEE 6th Global Conference on (pp. 1-2). IEEE.


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