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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Sannaite

A rock classification type
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A lampropyre with plagioclase > K-feldspar and feldspars > feldspathoid.


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Unique IdentifiersHide

Mindat ID:
48070
Long-form identifier:
mindat:1:1:48070:7

Similar NamesHide

SaynitA synonym of PolydymiteNi2+Ni23+S4
SenaiteA valid IMA mineral species - grandfatheredPb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
SinoiteA valid IMA mineral speciesSi2N2O
SuaniteA valid IMA mineral species - grandfatheredMg2[B2O5]
SuenoiteA valid IMA mineral species◻Mn2Mg5Si8O22(OH)2
SärnaiteA rock subtype

Classification of SannaiteHide

Mineralogy of SannaiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole(Na, K, ◻)(Ca,Na)2(Mg,Fe,Al)5((Si,Al)8O22)(OH,F,Cl,O)2
Feldspar > Alkali Feldspar > K FeldsparPotassium-dominant feldspars with variable crystal symmetry and Al-Si ordering state; they are a subgroup of ...
FeldspathoidA family of rock-forming minerals consisting of aluminosilicates of sodium, potassium, or calcium and having too ...
MicaA petrological term for Mica Group.

Synonyms of SannaiteHide

Internet Links for SannaiteHide

References for SannaiteHide

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