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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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Domite

A rock subtype
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A local name for a variety of trachyte that contains a few phenocrysts of oligoclase and biotite in a potentially quartz-bearing glassy groundmass.


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Unique IdentifiersHide

Mindat ID:
51141
Long-form identifier:
mindat:1:1:51141:4

Similar NamesHide

PomiteA valid IMA mineral speciesCa3[V54+V105+O37(CO3)] · 37H2O
TamaiteA valid IMA mineral species(Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112 · 21H2O
TomaiteA synonym of JohntomaiteBaFe22+Fe23+(PO4)3(OH)3
TumiteA synonym of Axinite

Classification of DomiteHide

QAPF_V_7.png

Trachyte appears in field 7 in the QAPF diagram.

TAS_T.png

Trachyte is found in field T in the TAS diagram.

Mineralogy of DomiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase > Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
GlassA non-crystalline, amorphous, relatively homogeneous solid material with a random liquid-like structure generally ...
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:

Internet Links for DomiteHide

References for DomiteHide

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