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#Anorthite

26
posts · 30d
21
users
1
posts / day
1.2
posts / user

#Anorthite is an active hashtag on Bluesky. In the last 30 days, 21 people shared 26 posts with it — around 1 a day. The busiest day was Sep 3 with 23 posts.

#Anorthite posts per day (last 30 days)

Related tags

Tags most often used together with #Anorthite.

#MinCup26 16 #Sphalerite 6

Posts with #Anorthite

Saavik ‘Careful of the Ankle’ Ford
@saavikford.bsky.social
19 days ago
People! HOW is a MOON ROCK losing to the ‘treacherous’ mineral?!?! Wake up and vote #Anorthite!!! Send #Sphalerite home to contemplate its treachery—IN DEFEAT!!! #MinCup26

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
0 12 27
Dots and Lines
@dotsandlines.bsky.social
18 days ago
It's #anorthite for me today, because of labradorite, iridescent blue and made in part of anorthite. It's beautiful, and I have a more reaching reason as well... www.mindat.org/min-2308.html
Labradorite, deep iridescent blue with a little green sheen and mottled darker parts, looking a bit like islands seen from space.

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
3 8 25
Nikolay Tumanov
@ntumanovxray.bsky.social
18 days ago
Being trained by some hardcore crystallographers, I still able to draw the unit cell of #Sphalerite by hand (~20 years later), but the Moon rock is the Moon rock, so my vote goes to #Anorthite, even it is not winning today. #MinCup26

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
1 3 23
Stormrider
@kwh.bsky.social
22 days ago
#Mincup Here’s why my prediction is #Anorthite [CaAl2Si2O8] - it’s been a favorite ever since I was a kid, hiking in the Adirondacks and seeing (notably at the Opalescent River and on Algonquin Peak) lovely labradorite pockets in the Precambrian plutonic rocks - ajes.colgate.domains/wp-c….

ajes.colgate.domains

Gorgeous technicolour labradorite!! This labradorescence shows a range of colours across the labradorite, a variety of feldspar that is primarily the mineral anorthite. #MineralMonday #GeoscienceBluesky ⚒️🧪
Specimen of labradorite that shows patches of bright blue, yellow green, and brown on the front surface. The sides are grey. It sits on a grey plinth on a grey background. A small frosted plastic label says Anorthite Anorthite on the lower left. At the Royal Ontario Museum.
1 2 22
CatWithGeologists
@catwithgeologists.bsky.social
18 days ago
Today it's #Anorthite vs. #Sphalerite at #MinCup26 😻 Anorthite got it's name from Gustav Rose. The name means not at right angles 😹 Since we appreciate if things aren't to tidy/ordered we go for Anorthite instead of the cubic Sphalerite #DoesItCat ? Yes🐾

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
0 4 19
Jon Quebc
@jquebc.bsky.social
19 days ago
Searching round as to what #anorthite is and - whether I’ve got any in the house, I realised there’s Oslo rift porphyry from the coast of Yorkshire here. The rhomb shaped phenocrysts are a ternary composition of potassium feldspar, albite, and anorthite. Love #MinCup26 for learning.
Oslo rift rhomb porphyry carried from Norway to the coast of Yorkshire. The lighter markings are the phenocrysts formed by different cooling events.
0 3 13
Kiona N. Smith
@kionasmith07.bsky.social
18 days ago
Some of the oldest rocks found on the Moon contain #anorthite. #sphalerite is lovely, but as a space reporter, my choice is obvious.
Lunar - Missions - Apollo 15 Lunar Samples

www.lpi.usra.edu

Lunar - Missions - Apollo 15 Lunar Samples

The overall set of lunar samples collected during the Apollo program can be classified into three major rock types, basalts, breccias, and lunar highland rocks. Apollo 15 collected important examples ...

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
0 3 10
Cas✨// Snap
@snapcracklepoppies.bsky.social
19 days ago
#MinCup26 Round 1 Match 3 This one was a tough choice because I love a good dodecahedral cleavage (Sphalerite) and memorizing the ternary feldspar compositional phase diagram in uni was rough, BUT CaAl2Si2O8 is literally in space rock, so it’s got my vote 😉 Team #Anorthite

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
0 5 10
Nina Fairweather
@ninafairweather.com
19 days ago
The Genesis Rock gave my ancient middle school geology class endless christian metal puns back in the day. I have to vote #Anorthite for that nostalgia. #MinCup26

#MinCup26 Round 1 Match 3 Both zinc ore #Sphalerite and calcium plagioclase feldspar #Anorthite will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...
A photo split between toothy translucent yellow crystals chewing on a grey rock and a blocky milky-yellow translucent crystal where every corner and edge is cut by a small oblique face.
0 3 9

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