Magnesium
Valid as an unnamed mineral
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About Magnesium
Formula:
Mg
Colour:
metallic white
Lustre:
Metallic
Hardness:
2½
Specific Gravity:
1.72
Crystal System:
Hexagonal
Name:
According to composition.
This page provides mineralogical data about Magnesium.
Unique Identifiers
Mindat ID:
45888
Long-form identifier:
mindat:1:1:45888:7
GUID
(UUID V4):
(UUID V4):
60b4ea1a-d40f-46b9-acb1-2d115072e2b2
IMA Classification of Magnesium
IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.
Classification of Magnesium
1.AB.
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
B : Zinc-brass family
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
B : Zinc-brass family
Physical Properties of Magnesium
Metallic
Transparency:
Opaque
Colour:
metallic white
Streak:
silvery
Hardness:
2½ on Mohs scale
Tenacity:
Malleable
Cleavage:
Poor/Indistinct
Fracture:
Irregular/Uneven
Density:
1.72 g/cm3 (Measured) 1.74 g/cm3 (Calculated)
Chemistry of Magnesium
Mindat Formula:
Mg
Elements listed:
Crystallography of Magnesium
Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Setting:
P63/mmc
Cell Parameters:
a = 3.21 Å, b = 3.21 Å, c = 5.21 Å
Ratio:
a:b:c = 1 : 1 : 1.623
Unit Cell V:
46.49 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.778 Å | (9) |
| 2.600 Å | (9) |
| 2.443 Å | (10) |
| 2.097 Å | (7) |
| 1.605 Å | (8) |
| 1.471 Å | (9) |
| 1.390 Å | (7) |
| 1.365 Å | (8) |
| 1.342 Å | (8) |
| 1.302 Å | (7) |
| 1.226 Å | (7) |
| 1.180 Å | (7) |
| 1.086 Å | (7) |
| 1.052 Å | (6) |
| 1.029 Å | (7) |
| 1.012 Å | (8) |
Other Language Names for Magnesium
Russian:Магний
Related Minerals - Strunz-mindat Grouping
| 1.AB.05 | Cadmium | Cd |
| 1.AB.05 | Rhenium | Re |
| 1.AB.05 | Zinc | Zn |
| 1.AB.05 | Titanium | Ti |
| 1.AB.10b | Danbaite | CuZn2 |
| 1.AB.10a | Zhanghengite | CuZn |
| 1.AB.10a | α-Brass | Cu3Zn |
| 1.AB.10b | Tongxinite | Cu2Zn |
| 1.AB.10a | Zinccopperite | Cu7Zn4 (?) |
| 1.AB.10 | UM2003-03-E:AgAuCuZn | (Cu,Au,Ag)4Zn |
| 1.AB.10 | UM1980-01-E:CuZn | Cu3Zn |
| 1.AB.10 | UM1980-02-E:CuZn | Cu4.45Zn |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Magnesium
mindat.org URL:
https://www.mindat.org/min-45888.html
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References for Magnesium
Reference List:
Localities for Magnesium
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
China | |
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Costa Rica | |
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France | |
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Poland | |
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Russia | |
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Tajikistan | |
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Ukraine | |
Chona river, Vilyui Reservoir, Vilyui River Basin, Mirninsky District, Sakha, Russia