Tanzanit

Tanzanit (formula: (Ca₂Al₃(SiO₄)(Si₂O₇)O(OH)) + (Cr,Sr)) ialah sejenis batu permata diperolehi daripada galian zoisit dengan kandungan surih vanadium yang menyebabkan warna kebiruan dan kenilaan.^[1] Batu ini hanya dapat dijumpai dalam suatu lombong kecil berhampiran Bukit Mererani di Kawasan Manyara utara Tanzania;^[2] lombong ini hanya berukuran 7 km (4.3 bt) panjang dan 2 km (1.2 bt) lebar.^[3]

Rujukan[sunting | sunting sumber]

^ King, Hobart M. "Tanzanite". Geology.com. Dicapai pada 3 December 2018. The blue color of tanzanite is caused by small amounts of vanadium within the zoisite mineral structure.
^ Briggs, Philip; McIntyre, Chris (2013). Tanzania Safari Guide: With Kilimanjaro, Zanzibar and the Coast. Bradt Travel Guides. m/s. 104. ISBN 978-1-84162-462-4.
^ "Introduction to tanzanite". tanzanitefoundation.com. 22 June 2017.

[1] King, Hobart M. "Tanzanite". Geology.com. Dicapai pada 3 December 2018. The blue color of tanzanite is caused by small amounts of vanadium within the zoisite mineral structure.

[BriggsMcIntyre2013-2] Briggs, Philip; McIntyre, Chris (2013). Tanzania Safari Guide: With Kilimanjaro, Zanzibar and the Coast. Bradt Travel Guides. m/s. 104. ISBN 978-1-84162-462-4.

[3] "Introduction to tanzanite". tanzanitefoundation.com. 22 June 2017.

[1]

[2]

[3]