Youtor
Pleochroism (updated 2024-11-30)
![Pleochroism and color tutorial Optical mineralogy [upl. by Lyndel]](img.php?img=imgidPo93jmrE7ZQ)
![Anthophyllitegedrite tutorial Optical mineralogy [upl. by Drageruaeb]](img.php?img=imgidDcYmmtgZA0Y)
![Ruby or Rubellite Dont buy fakes REAL cost and qualities [upl. by Navek]](img.php?img=imgidQwt_ZdfAqdI)
![Bi color tourmaline cabochons 1325 CTS wwwpuritygemsetsycom [upl. by Edmonda]](img.php?img=imgidoLSMKlPEWD8)
![what is pleochroism in gemstones [upl. by Joacimah509]](img.php?img=imgidwMhkTp-8iTw)
![Amphibole thin section in microscope stage rotation in both conditions PPL ampXPL [upl. by Truda69]](img.php?img=imgidOp5TKrG7ulA)
Duration: 0:51
1.3K views | 28 Aug 2018
1.3K views | 28 Aug 2018
![Tanzanite’s Pleochroism by GIA [upl. by Anaujd]](img.php?img=imgidW9fjfGXr-m8)
![Introduction to Optical Mineralogy [upl. by Alleul]](img.php?img=imgidIntHz7baX4g)
![Pleochroism in Imperial Topaz by GIA [upl. by Russon]](img.php?img=imgidAFVgOFURWko)
![Gemology 101 The Gemologists Handbook [upl. by Fitz]](img.php?img=imgidcjsdgZKSGiw)
![How to use the DICHROSCOPE to test gemstones for pleochroism [upl. by Notsud]](img.php?img=imgidyHhTsPvGiow)
Duration: 8:53
45.5K views | 18 Jul 2013
45.5K views | 18 Jul 2013
![Ceylon Blue Sapphire What Is Pleochroism In A Gemstone bluesapphire sapphire gemstones shorts [upl. by Yrian]](img.php?img=imgid3Ss9l-hExwc)
Duration: 0:22
5.4K views | 6 months ago
5.4K views | 6 months ago
![A pleochroic gemstone iolite [upl. by Aitram]](img.php?img=imgidY0rgJLhB2qQ)
![Tanzanite Unveiled The Rare Gemstone with Mesmerizing Pleochroism [upl. by Eilis]](img.php?img=imgidtaZmCrwe5IM)
Duration: 1:00
22 views | 2 months ago
22 views | 2 months ago
![Petrology Thin Section Twinned Zoned Plagioclase in Granite [upl. by Giulia32]](img.php?img=imgid_1rnFLQvBqE)
![Iolite has very strong Pleochroism Ceylon Natural iolite Rough [upl. by Enytnoel626]](img.php?img=imgidnWRVCbjYJ0Y)
Duration: 0:42
643 views | 25 Jul 2019
643 views | 25 Jul 2019
![Optical Mineralogy hornblende inclined extinction plagioclase [upl. by Keven]](img.php?img=imgidQBs_fhXqlX8)
Duration: 0:20
13.8K views | 6 Nov 2009
13.8K views | 6 Nov 2009
![Optical Mineralogy Anisotropic Materials [upl. by Irrek]](img.php?img=imgidctin5DWwulA)
![Quartz in Thin Section under Microscope Optical Mineralogy PPL Cleavage Pleochroism twinning [upl. by Maidie625]](img.php?img=imgidhGv_PSAimL0)
Duration: 1:08
14.4K views | 23 Jun 2022
14.4K views | 23 Jun 2022
![Understanding Accessory Plate Formation in Interference Figures Isogyres and Isochromes Explained [upl. by Annagroeg79]](img.php?img=imgid0giLPe444yM)
Duration: 7:29
130 views | 5 months ago
130 views | 5 months ago
![Peacock Tanzanite The Vibrant Intricacy Gemstone [upl. by Ellsworth]](img.php?img=imgidN7jDc_eKzvM)
![Optical Mineralogy Biaxial Materials [upl. by Anet]](img.php?img=imgidW1r1dRijHB0)
![Birefringence Demonstrated [upl. by Renata]](img.php?img=imgidWdrYRJfiUv0)
![Pleochroism What and Why [upl. by Neyud]](img.php?img=imgidrA1_XPzFgkg)
![Biotite in PPL [upl. by Aetnuahs]](img.php?img=imgid-6LEW_H-ccQ)
![PLEOCHROISM HINDI [upl. by Nuahsyt]](img.php?img=imgidG_EdvUUMWt0)
![Aegirine PleochroismPléochroïsme [upl. by Berns]](img.php?img=imgidGLcaiV_1PZ0)
![Optical Properties in Quartz Cross Section opticalmineralogy mineralogy pleochroism [upl. by Nate]](img.php?img=imgidvgoaIWaVPa8)
Duration: 1:00
494 views | 4 months ago
494 views | 4 months ago
![Natural Bloodshot Iolite Bracelet สร้อยข้อมือไอโอไลต์ Swanic amp co [upl. by Ahtnamys]](img.php?img=imgidkpyLxje--UU)
![Green Tanzanite Associated with Nature and Renewal [upl. by Aninnaig]](img.php?img=imgidk92-MTfXf5g)
New on site
