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Colorful patterns in secondary
#muscovite after#plagioclase in a#Suvasvesi#granite sample collected from#Northern#Savonia with@MikkolaPerttu last summer. Polarizing microscope image with crossed polars, image width ~2 mm.@geo_hel#petrography#microscopy#petrologypic.twitter.com/0imI09d1ix – mjesto: Kumpulan kampus
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Some people say granite is boring. Don't listen to those naysayers - just look at these large white feldspars
. #phaneritic#plagioclase#feldspar#tourmaline#pluton#cornubianbatholith#dartmoor#devongeology#ukgeology#scicom#phdchat#phdlife#Geologypic.twitter.com/5w6vRoOJOA
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A sample from the
#granulite -#eclogite transition near#Bergen#Norway that perfectly illustrates the reaction of#plagioclase +#orthopyroxene ->#garnet +#clinopyroxene (#omphacite). Sample from@chrisfpclark.pic.twitter.com/JQSy7Tvb4B
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Some Palaeoproterozoic meta-anothosite from Lingreabhagh, South Harris, Outer Hebrides, Scotland
#plagioclase#feldspar#geology#bgs#keyworth#britishgeologicalsociety#funpic.twitter.com/dcVZQowmm8
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Finally, we have
@JoConwayGeology, who still can’t believe when a single match broke 4000 votes (then today’s broke 6000)! If she had her way, we’d be celebrating#plagioclase’s victory today. pic.twitter.com/Zv3QPTYgmx
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Despite claiming to know nothing about minerals,
@scarlett_jazmin handled most of the starts & ends of polls. Her fav moment was that first potential of a sudden death round between#garnet &#plagioclase showing no mineral was safe, & she still wishes#zircon made it further.pic.twitter.com/OxciG3mZW7
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Round 3 begins and
#Plagioclase leaves us
- in #Labradorite form here
#MinCup2019@MineralCuppic.twitter.com/NLnk1ygCmR
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How's this for perfect cleavage?!?! It was a fine slice, but
#IceMin got the edge over#Plagioclase in the first of the quarter final match-ups. Plenty more excitement to come!@MineralCup#MinCup2019#mincup#TeamIce#PerfectCleavagepic.twitter.com/5X6lV2Xs4Z
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After 3,357 votes,
#IceMin squeaked in with a narrow victory over#Plagioclase and will continue on in#MinCup2019.pic.twitter.com/Uv7SalOuDM
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Whole rocks made up of
#plagioclase! Rocks that cover most of the Moon's surface! And rocks that Apollo astronauts brought back for us to study! You know you want to vote#plagioclase. I'm looking at all of you#lunatics who have yet to vote@MineralCup.pic.twitter.com/ZjFzCcP783
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#plagioclase on Mars ! Igneous clast (called Harrison, after Harrison Schmitt, Apollo geologist
) in conglomerate in Gale crater, with feldspar crystals. Merged image (15cm) from Curiosity’s Mastcam & high-res ChemCam pics. (Photo: NASA /JPL-Caltech / IAS / MSSS). @MineralCuppic.twitter.com/ieJkQV2ogf
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Sorry for solid H2O, but it's
#plagioclase for me.@MineralCup#MinCup2019#teamplagioclase#geology#rocks#mineralspic.twitter.com/f17uFgLyhL
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#Plagioclase is an important rock-forming mineral in many metamorphic rocks. Here's a beautifully twinned crystal in a high-grade metamorphic rock with garnet (isotropic), clinopyroxene and amphibole. Vote#plagioclase!#TeamPlagioclase#MinCup2019@MSG_1981pic.twitter.com/oDWqq7EPNA
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This is the first year I've been on twitter and therefore, of
@MineralCup. I had no idea I felt so strongly about certain minerals until now
or how invested I would get in wanting my chosen #mineral to win. (Ps Vote#plagioclase today).#MinCup2019 -
I’m ambivalent to both
#zircon and#plagioclase but since I have a pretty video of some average zoning in plag from the#Brothers#volcano I’m coming off the fence#TeamPlag#EXP376@ECORD_IODP@MineralCup#MinCup19pic.twitter.com/4g5Q1BNhqq -
Vote
#plagioclase. Look at these examples from NE Scotland - not content with recording much of the magmatic crystallisation history they also record the expansive forces involved during subsolidus serpentinisation of olivine. Look at those radiating bundles of brittle fractures. pic.twitter.com/ijCdWjLiGq
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Do you love the moon? Did you know that the reason it reflects the sun's light so magnificently is because the lunar highlands are made of mostly
#Plagioclase! Vote for a shiny Moon! Vote#Plagioclase#MinCup2019 (I took this pic on Fri through@Bmwall007 awesome telescope)pic.twitter.com/A3JD4wfjIr
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I feel like this should be the final... I've never bee so tense about a twitter poll before! Here are the contenders
#Zircon and#Plagioclase peacefully coexisting in the Lewisian Gneiss of Iona for#ThinSectionThursday (fov c.5mm)#MinCup2019pic.twitter.com/POwGwWLeGG
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#Zircon *sounds* nice, but you can actually *see*#Plagioclase shining silver in the nighttime sky. It helps tug our oceans lifting ships to sail the stormy seas. It inspires poets and lovers. It’s movements mark the months of our lives. Remember this as you vote
https://twitter.com/MineralCup/status/1174618479762317312 … -
Come on team
#Plagioclase! Labradorite, Sunstone, Moonstone, the MOON! MARS! Garnet had its time in the light! Let's go Anorthite! https://twitter.com/MineralCup/status/1170255619514937344 …pic.twitter.com/8nlnm7uCsr
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