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 Post subject: Tenebrescent Scapolite from Afghanistan
PostPosted: Thu May 23, 2019 5:46 pm 
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Joined: Mon May 20, 2019 3:47 pm
Posts: 36
Tenebrescent Scapolite Crystal - specimen only.

53grams or 266ct

When mined in: 2018

Stone: Tenebrescent Scapolite - Specimen.
Colour: Colourless, UV Light - Long wave - Bright orange yellow, Short wave - light blue after exposer then fades back to Colourless.
Refractive Index: 1.43
Relative Density: 2.5 -2.7
Hardness: 5.5
Crystal group: Tetragonal
Tenacity: Brittle
Origen: Badakshan - Afghanistan

Under warm light or daylight.
Attachment:
1.jpg
1.jpg [ 630.41 KiB | Viewed 1663 times ]


Exposed Under LW UV.
Attachment:
2.jpg
2.jpg [ 471.41 KiB | Viewed 1663 times ]


Exposed Under SW UV after.
Attachment:
3.jpg
3.jpg [ 743.85 KiB | Viewed 1663 times ]


More infor if I forgotten anything.
http://aggemologist.blogspot.com/2017/09/how-to-differentiate-between-untreated.html#!/2017/09/how-to-differentiate-between-untreated.html


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