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@stratheia.bsky.social Sep 6, 2026, 6:35 PM

Afghanistan’s mineral wealth may approach $1 trillion, but power struggles between Kandahar and Haqqani centres leave ordinary Afghans excluded from its benefits.
#Afghanistan #Taliban #Minerals #Geopolitics
Read Full Article: stratheia.com/who-actually...

@mineralcollection.bsky.social Sep 6, 2026, 5:24 PM

www.mineralcollection.eu/product/2411...
Jarosite on babingtonite from Herborn, Lahn-Dill-Kreis, Germany
18 mm x 16 mm excl. box
8 gram incl. box
€ 12
#jarosite #babingtonite #sulfates #silicates #inosilicates #thumbnailminerals #micromounts #germanminerals #minerals #rocks #crystals #stones

@mineralcollection.bsky.social Sep 6, 2026, 5:20 PM

www.mineralcollection.eu/product/2411...
Hydropyrochlore from the Lueshe Mine (TL), Bwito, Congo
5 mm x 4 mm excl. stand
2 gram incl. stand
€ 20
#hydropyrochlore #oxides #lueshe #congominerals #typelocality #thumbnailminerals #micromounts #bwito #minerals #rocks #crystals #stones

@mineralcollection.bsky.social Sep 6, 2026, 5:18 PM

www.mineralcollection.eu/product/2411...
Klebelsbergite on stibnite from the Pereta mine, Scansano, Italy
20 mm x 13 mm excl. stand
4 gram incl. stand
€ 25
#klebelsbergite #stibnite #sulfates #metalsulfides #systematicminerals #pereta #micromounts #italianminerals #minerals #rocks #crystals #stones

@weloveminerals.bsky.social Sep 6, 2026, 4:13 PM

Size: 2.2 x 0.6 x 0.4 cm

Locality: Sapo Mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil

#elbaite #tourmaline #gemstones #gold #diamonds #minerals

@salvaterra.bsky.social Sep 6, 2026, 3:20 PM

Round 1, Match 6!

quartz VS asagiite in the #minerals sketchbook

#mincup26 #sciart #sketchbook

sketchbook page photo with a double-page spread of ink drawings of two minerals: quartz and asagiite, one in each page. black and white. a pen rests in the middle of the pages.

@melinaedition.bsky.social Sep 6, 2026, 11:22 AM

Gemstones Coloring Book for Kids
👉 a.co/d/0hq1qjmD .

Kids color 25 gemstones like diamonds, rubies, and emeralds while learning fascinating facts through trivia questions and answers.

#Rocks #Minerals #Geology #Science #Nature #Gemstones #Trivia

@mineralcollection.bsky.social Sep 6, 2026, 7:46 AM

www.mineralcollection.eu/product/2411...
Quartz crystals on matrix from Italy
One large crystal is double terminated, the matrix is full with small quartz crystals
10 cm x 6 cm
227 gram
€ 20
#quartz #silicates #italianminerals #minerals #rocks #crystals #stones

@mineralcollection.bsky.social Sep 6, 2026, 7:45 AM

www.mineralcollection.eu/product/2411...
Wavellite from Dug Hill, Avant, Arkansas, USA
19 mm x 19 mm x 15 mm excl. stand
7 gram incl. stand
€ 20
#wavellite #phosphates #dughill #arkansasminerals #usminerals #thumbnailminerals #minerals #rocks #crystals #stones

@mineralmatters.bsky.social Sep 6, 2026, 7:29 AM

Mineral Matters #1172 - Mining Related Postcard
#minerals #mineralmatters #🧪
mineralmatters.substack.com/p/mining-rel...

@minouette.bsky.social Sep 5, 2026, 7:58 PM

Vote #Orpiment for the 17th century Dutch masters who subjected themselves to foul smelling toxic fumes so their paintings could glow! #MinCup26

This '“Festoon with Flowers and Fruit” (1660s) is an oil painting by Jan Davidsz. de Heem which contains orpiment.
#artHist #minerals #scicomm

Jan Davidsz. de Heem, 'Festoon with Flowers and Fruits' 1670. "This painting features at least four Semper Augustus tulips. These flowers were considered extremely valuable at the time this paintings commission." The bouquet also features morning glory, carnation, purple grapes and red apples and is dramatically lit on a black background. Contains orpiment pigment. Via Wikipedia.

Mineral Cup & Ore Cup@mineralcup.bsky.socialSep 5, 2026, 12:00 AM

#MinCup26 Round 1 Match 5 It's a fiery match of vibrant red #Cuprite and just as saturated orange #Orpiment battle for your votes! VOTE: www.mineralcup.org/2026/vote-re... RESULTS: www.mineralcup.org/2026/vote-re...

Split photo of deep red, chunky cuprite crystals, clear and vibrant and shiny like pomegranate seeds and orpiment forming many round puffs of intensely orange spikes radiating out like sea urchin spines.

@minouette.bsky.social Sep 5, 2026, 7:31 PM

Vote #Orpiment in Round 1 Match 5 of the #MinCup26!

The storied pigment is found in the great Hokusai’s woodblock prints, and those of other masters of the Edo era. Cuprite could never.

#scicomm #pigment #arthistory #printmaking #minerals

From: Natural and synthetic arsenic sulfide pigments in Japanese woodblock prints of the late Edo period

Left: Ono Waterfall on the Kisokaidō (Kisokaidō Ono no bakufu), from the series A Tour of Waterfalls in Various Provinces (Shokoku taki meguri) by Katsushika Hokusai. The Metropolitan Museum of Art, 14 3/4 × 10 1/4 in., Accession Number JP2925. Henry L. Phillips Collection, Bequest of Henry L. Phillips, 1939. This print is part of Set A. (right) Ono Waterfall on the Kisokaidō (Kisokaidō Ono no bakufu), from the series A Tour of Waterfalls in various provinces (Shokoku taki meguri) by Katsushika Hokusai. The Metropolitan Museum of Art, 14 7/8 × 10 5/16 in., Accession Number JP1082. This print is part of Set B

These beautiful landscape woodblock prints contain orpiment.

@salvaterra.bsky.social Sep 5, 2026, 5:20 PM

and the vesuvianite i did in 2024

#vesuvianite #mincup26 #sciart #minerals

@salvaterra.bsky.social Sep 5, 2026, 5:18 PM

and since we are here, the azurite i did last year

#azurite #sciart #mincup25 #minerals

@salvaterra.bsky.social Sep 5, 2026, 5:16 PM

a cuprite crystal i did in 2024

#sciart #mincup26 #cuprite #minerals

@mineralcollection.bsky.social Sep 5, 2026, 5:08 PM

www.mineralcollection.eu/product/2410...
Hydrozincite from Mapimi, Mapimi Municipality, Mexico
19 mm x 14 mm excl. box
5 gram incl. box
€ 12
#hydrozincite #carbonates #mapimi #mexicanminerals #thumbnailminerals #micromounts #minerals #rocks #crystals #stones

@mineralcollection.bsky.social Sep 5, 2026, 5:06 PM

www.mineralcollection.eu/product/2410...
Hydroboracite from the Emet Borate deposit, Emet District, Turkey
24 mm x 16 mm excl. box
5 gram incl. box
€ 20
#hydroboracite #borates #emetminerals #turkishminerals #systematicminerals #thumbnailminerals #minerals #rocks #crystals #stones

@mineralcollection.bsky.social Sep 5, 2026, 5:04 PM

www.mineralcollection.eu/product/2410...
Hutchinsonite with orpiment from the Quiruvilca mine, Quiruvilca District, Peru
These minerals are toxic, so keep them in a closed box
20 mm x 19 mm
15 gram incl. box
€ 20
#hutchinsonite #orpiment #sulfosalts #thumbnailminerals #micromounts #minerals