#johannsenite
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nadwgab.bsky.social
228 of #365Minerals 🧪⚒️

Johannsenite:
- A rare pyroxene group mineral
- Forms in metasomatised limestone
- Named after Albert Johannsen (1871-1962), a geology professor #minerals
Large rough and blocky green opaque crystals of johannsenite. From Broken Hill, New South Wales, Australia. Specimen on display in the Natural History Museum, London.
August 16, 2025 at 10:02 AM
mineralcollection.bsky.social
www.mineralcollection.eu/product/1747...
#johannsenite #rozaliamine #hodrusahamre #slovakianminerals, #mineralsslovakia #minerals #systematicminerals #rareminerals
January 15, 2025 at 1:30 PM
mineralmatters.bsky.social
Mineral Matters # 438 - Hedenbergite versus Johannsenite
#mineralmatters #minerals
mineralmatters.substack.com/p/hedenbergi...
Hedenbergite versus Johannsenite
Mineral Matters #438
mineralmatters.substack.com
August 31, 2024 at 7:55 AM
mineralcollection.bsky.social
www.mineralcollection.eu/product/1772...
#johannsenite #rozaliamine #hodrusahamre #slovakianminerals #mineralsslovakia
February 1, 2025 at 5:26 PM