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Tinaksite

Silicate mineral

Field	Value
name	Tinaksite
category	Silicate mineral
image	Tinaksite, Charoite-543035.png
imagesize	260
caption	Tinaksite (brown) and associated charoite (lilac).
formula
IMAsymbol	Tnk
strunz	9.DG.75
system	Triclinic
class	Pinacoidal ()
(same H-M symbol)
symmetry	P
color	Pink, pale yellow, light brown
habit	Fibrous, crystalline or prismatic, crystalline, or radial, crystalline
cleavage	Perfect in one direction, indistinct in one direction
mohs	6
luster	Vitreous to glassy
refractive	nα = 1.593 nβ = 1.621 nγ = 1.666
opticalprop	Biaxial (+)
birefringence	δ = 0.073
streak	White
gravity	2.82
diaphaneity	Transparent to translucent
references

(same H-M symbol)

Tinaksite (chemical formula ) Its name is derived from its composition: titanium (Ti), sodium (Na) potassium (K) and silicon (Si). The International Mineralogical Association first recognized tinaksite as a mineral in 1965.

References

Warr, L.N.. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine.
"Tinaksite Mineral Data".
"Tinaksite".
[https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Tinaksite Mineralienatlas]
"TINAKSITE (Potasium Sodium Calcium Manganese Titanium Iron Oxide Silicate Hydroxide)".

Info: Wikipedia Source

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calcium-minerals sodium-minerals potassium-minerals inosilicates gemstones triclinic-minerals minerals-in-space-group-2 minerals-described-in-1965

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