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Halloysite
Halloysite




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Halloysite Mineral

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1 Physical
1.1 Mohs Hardness
2
1.2 Luster
Earthy (Dull)
1.3 Cleavage
Probable on {001}
1.4 Fracture
Earthy Dull
1.5 Streak
white
1.6 Bulk Density
Osmium
2.59
Rank: N/A (Overall)
Kurilite
1.7 Tenacity
Not Available
2 Chemical
2.1 Formula
2.1.1 Chemical Formula
Al2Si2O5(OH)4
2.1.2 Empirical Formula
Al2Si2O5(OH)4
2.2 Crystal Properties
2.2.1 Crystal System
Monoclinic
2.2.2 Space group
Monoclinic Domatic H-M Symbol (m) Space Group: Cc
2.2.3 Crystal Habit
Spherical clusters, massive
2.2.4 Crystal Class
Domatic (m)
2.2.5 Twinning
Not Available
2.3 Molecular Weight
Proudite
258.16
Rank: N/A (Overall)
Diamond
3 Atomic
3.1 Axial Ratios
a:b:c =0.5775:1:1.6741
3.2 Fermion Index
Maldonite
0.01
Rank: 37 (Overall)
Algodonite
3.3 Boson Index
Algodonite
0.99
Rank: N/A (Overall)
Urea
3.4 Cell Dimensions
3.4.1 a
Mesolite
5.14
Rank: N/A (Overall)
Graphite
3.4.2 b
Liveingite
8.90
Rank: N/A (Overall)
Tantalcarbide
3.4.3 c
Taranakite
14.90
Rank: N/A (Overall)
Tiettaite
3.4.4 alpha
Nefedovite
Not Available
Rank: N/A (Overall)
Schneiderhohnite
3.4.5 beta
Catapleiite
101.90 °
Rank: N/A (Overall)
Harmotome
3.4.6 gamma
Rhonite
Not Available
Rank: N/A (Overall)
Hemihedrite
4 Optical
4.1 Photoelectric
Natronambulite
1.48 barns/electron
Rank: N/A (Overall)
Hartite
4.2 Radioactivity
No Common Minerals Minerals has it !
4.2.1 GRapi
Melanocerite Ce
0.00
Rank: N/A (Overall)
Abelsonite
4.3 By Intensity
Not Available
4.4 Specific Gravity
Osmium
2.57
Rank: N/A (Overall)
Kurilite
4.5 Diaphaneity
Semitransparent
4.6 Luminescence
Non-fluorescent.
4.7 Birefringence
0
4.8 Pleochroism
Not Available
5 Classification
5.1 Category
Phyllosilicate minerals
5.2 IMA Status
Valid Species (Pre-IMA) 1826
5.3 Dana Class
71.01.01.04
5.4 Strunz Class
09.ED.10
6 Facts
6.1 Origin
A product of hydrothermal alteration or surface weathering of aluminosilicate minerals, as feldspars. Formed by dehydration of endellite above 110 deg. C.
6.2 Locality
Angleur, Liµege, Belgium. Link to  MinDat.org Location Data.
6.3 Name Origin
Named after Baron Omalius dHalloy (1707-1789).
6.4 Color
White, Grey, Blue, Yellow, Red, White, Not Available, Not Available, Not Available, Greenish white., Not Available, Green, Blue, Yellow, Not Available
6.5 Name Synonym
Endellite
6.6 Uses
Not Available

What is Halloysite?

Minerals are solid substances, occurring naturally. Minerals are not organic compounds as their origins are inorganic. Interestingly, the process of formation of minerals do result from organic processes. What is Halloysite? Here you can know all about it. Halloysite mineral belongs to Phyllosilicate minerals. You can know more about the Physical Properties of Halloysite and find out all the aspects pertaining to the appearance and form of a mineral. It is also important to know the IMA status of a mineral, for this mineral IMA status is Valid Species (Pre-IMA) 1826. Another important aspect is the minerals strength or hardness, Halloysite has Mohs Hardness between 2.

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