Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Bumbun Besar Island, Langkawi District, Kedah, Malaysiai
Regional Level Types
Bumbun Besar IslandIsland
Langkawi DistrictDistrict
KedahState
MalaysiaCountry

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PhotosMapsSearch
Type:
Island
Mindat Locality ID:
464480
Long-form identifier:
mindat:1:2:464480:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Pulau Bumbon Besar; Pulau Bumbun Besar


According to Wan Hassan Wan Fuad, a skarn on Bumbon Besar represents a Setul limestone granite contact on both the northern and southern shores.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Unclassified
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Wan Hassan, Wan Fuad (2003) On some ore and skarn minerals of Langkawi. Bulletin of the Geological Society of Malaysia, 46. 217-221 doi:10.7186/bgsm46200336
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