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Tourmaline var. Indicolite crystals with Topaz and Quartz on Albite -- From the Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Northern Areas of Pakistan

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Crowned with a green cap or scepter, this zoned Tourmaline transitions from deep blue to a lighter blue then to a pink layer showing chatoyancy.

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Astonishing Iridescent Ammonite with Rare Blue Coloration. Rarely are blue-indigo and violet seen in these specimens, yet, in this example, turquoise is also present. Brilliant greens, some red-orange and yellow-gold accompany the rare blue palette in a breathtaking profusion of shimmering color. Prepared free of matrix. This and more rare fossils for sale on CuratorsEye.com

Tanzanite Crystal, The "Deep Blue" in hand (. 8 cm, 970 cts) / The "Deep Blue" holded (8 cm, 970 cts.) (C: Marucs Budil Q: Malte Sickinger)