J Dyer
finnchaga
Prisms in blue spectrolite
Thin prisms of apparently ilmenite in Finnish spectrolite (brightly-coloured labradorite). The needles are around 2-4 um wide (FOV=400um).
Darkish leucogabbronorite in the Ylämaa area of South-Eastern Finland tends to contain a fair amount of ilmenite, as can be seen in reflected-light polarised microscopy.
Some info in Finnish: www.jalokivikierros.com/7
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Uploaded on April 18, 2019
Taken on April 18, 2019
Prisms in blue spectrolite
Thin prisms of apparently ilmenite in Finnish spectrolite (brightly-coloured labradorite). The needles are around 2-4 um wide (FOV=400um).
Darkish leucogabbronorite in the Ylämaa area of South-Eastern Finland tends to contain a fair amount of ilmenite, as can be seen in reflected-light polarised microscopy.
Some info in Finnish: www.jalokivikierros.com/7
434
views
8
faves
2
comments
Uploaded on April 18, 2019
Taken on April 18, 2019