Bit of a headscratcher today. When a pyroxene and a pyroxene love each other very much...?
(These rocks are gay!)
seen from United States

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seen from Indonesia
seen from United States
seen from India

seen from United States

seen from United States
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seen from United States

seen from India
seen from Maldives
seen from South Korea
seen from Malaysia

seen from United States
seen from India
seen from United States

seen from United Kingdom
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seen from Finland
Bit of a headscratcher today. When a pyroxene and a pyroxene love each other very much...?
(These rocks are gay!)
Clinopyroxene (blue) with orthopyroxene (brown to grey) exsolution lamellae under cross polarized light
Do you like this food?
yeah
nah
never had it/idk
Zoned Clinopyroxene phenocryst in Plagioclase groundmass
Hawaiian Basalt
Viewed in XPL
Augite with a keyhole
Here are some nice simple twins for you! Clinopyroxene in dolerite, from the Nuria Sill in Venezuela. The smaller, black and white laths are plagioclase feldspar.
Perovskite, Apatite, Clinopyroxene Subgroup
Löhley, Ădersdorf, Daun, Eifel, Rhineland-Palatinate, Germany
From Mindat.Org Photo Of The Day; January 7, 2016:
Perovskite: CaTiO3Apatite : Ca5(PO4)3X;Â Clinopyroxene Subgroup
Locality: Löhley (Liley; Meerfeld Quarry; Slabik Quarry; Scheerer Quarry), Ădersdorf, Daun, Eifel, Rhineland-Palatinate, Germany
Brownish-red perovskite with white needles of apatite and green prismatic clinopyroxene crystals. Collection and Photo: Edgar MĂŒller, Saarwellingen. Olympus OMD EM5 II, tube (21 cm), USMCO 10x, DCR-150 retro, linear actor (Stack Master), Stack Master control.
(It's me)Â
 Happy #thinsectionthursday everyone! :D
This is an opaque mineral in my dolerite samples, as seen in plane-polarized light. With opaque minerals, itâs very difficult to determine what they actually are in thin section. Even at 0.03mm, light doesnât pass through them, so you canât use their optical properties (such as birefringence) to identify what they are. A lot of times the best you can do is hold the slide up to the light and see what color the opaques reflect! In this case, I have a good sense of this rockâs composition, which helps me make an educated guess. As a mafic rock, dolerite has more magnesium and iron than its felsic counterparts, so these opaques are most likely an iron oxide (magnetite, likely). In other mafic rocks, a titanium oxide wouldnât be a bad guess, either, except that whole rock analysis has revealed these rocks to be very titanium-poor. The surrounding minerals are plagioclase (low-relief, relatively colorless) and clinopyroxene, with maaaaybe some olivine in the bottom right of the less-magnified snapshot.