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Version devBuilt at: 2026-10-13 06:05:14 EDT

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@alexwitze.bsky.socialOct 1, 2026, 12:05 AM

Aaaaaaaaaaaaugh

#Quartz I can’t believe I’m doing this #Quartz for #MinCup26

@schisty.bsky.socialOct 1, 2026, 12:04 AM

Vote for the rock in your heart! #Cuprite for me. Best mineral wins! #MinCup26

@vickyveritas.bsky.socialOct 1, 2026, 12:02 AM

#MinCup26 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology #geosky #GIS 🍎 🪐 🔭 🌋 📚 🌿

@mineralcup.bsky.socialOct 1, 2026, 12:02 AM

#MinCup26 FINALS!!!
We have a pair of geometric beauties as deep red #Cuprite is against versatile #Quartz.

VOTE: www.mineralcup.org/2026/vote-re...
RESULTS: www.mineralcup.org/2026/vote-re...

Split image of fine red needles of cuprite on one side and chunky clear quartz crystals on the other.
@vickyveritas.bsky.socialSep 30, 2026, 9:38 PM

Naturae Lapides is right. After 10 years, #QuartzDeservesToWin MinCup26

#MinCup26 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology #geosky #GIS 🍎 🪐 🔭 🌋 📚 🌿

@silicatefondue.fosstodon.org.ap.brid.gySep 30, 2026, 8:10 PM

Quartz terminations co-precipitated with iron oxides, turning them a delightful burgundy brown. Sample from Bavaria, but now our teaching collection.

#MinCup26 #Quartz #IronOxide #Bavaria

Terminated hexagonal quartz crystals brown in color due to iron oxides. Sample collected sometime last century in Bavaria Germany. Canadian quarter for scale.
@vickyveritas.bsky.socialSep 30, 2026, 7:28 PM

#MinCup26 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology #geosky #GIS 🍎 🪐 🔭 🌋 📚 🌿

@naturaelapides.bsky.socialSep 30, 2026, 7:20 PM

Close your eyes... breathe in... when I snap my fingers, you’ll wake up and vote for Quartz!!

Quartz is versatile: here’s a photo of fossilised bark completely covered in shiny brown quartz

#QuartzDeservesToWin

www.mineralcup.org/2026/vote-re...

#MinCup26

ecorce fossile couverte de quartz brun
@alexwitze.bsky.socialSep 30, 2026, 7:17 PM

💔✏️❤️💠

Go Team #Quartz this year for #MinCup26!

@vickyveritas.bsky.socialSep 30, 2026, 7:03 PM

#MinCup26 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology #geosky #GIS 🍎 🪐 🔭 🌋 📚 🌿

@vickyveritas.bsky.socialSep 30, 2026, 7:02 PM

Herkimer diamonds are naturally double-terminated quartz crystals with exceptional clarity, mined primarily in Herkimer County, New York. Double termination is very rare in quartz. Link for more info in ALT!

#Quartz #MinCup26

"Herkimer diamond" quartz crystals. More at: https://geology.com/articles/herkimer-diamonds.shtml
@silicatefondue.fosstodon.org.ap.brid.gySep 30, 2026, 6:43 PM

Quartz veins in slate show the deformation and material transport accompanying the growth of the Appalachians.

#MinCup26 #Quartz #Quebec #Gaspésie

White quartz veins in a black slate. Several generations of veins show cross-cutting relationships and deformation within the rock. Siluro-Devonian Appalachians, Gaspe Penninsula, Quebec
@vickyveritas.bsky.socialSep 30, 2026, 6:10 PM

#MinCup26 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology #geosky #GIS 🍎 🪐 🔭 🌋 📚 🌿

@vickyveritas.bsky.socialSep 30, 2026, 6:09 PM

A geologic dyke (or dike) is a sheet-like body of rock that cuts vertically or steeply across the layers of pre-existing older rocks. In this case, a quartz dike. These cross-cutting relationships allow relative dating of geologic features.

#Quartz #MinCup26

Dike composed of a quartz veing.
@microtopico.bsky.socialSep 30, 2026, 4:26 PM

#MinCup26 ⚒️

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