| Locality type: | Mountain Range |
| Classification |
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| Species: | 'Apatite' (not an IMA approved species) |
| Formula: | Ca5(PO4)3(Cl/F/OH) |
| Comments: | The apatite’s alexandrite effect predominantly stems from absorption peaks at
748, 738, 583, 578, and 526 nm in the visible spectrum, all of which are attributed to the rare-earth
element, Nd. The fluorescence peaks of the apatite are primarily influenced by elements such as Ce,
Eu, Nd, and Mn. |
| Habit: | typically hexagonal, favoring a long prismatic shape over a short one. |
| Colour: | alexandrite effect - yellowish-green hue in daylight and transitions to a pinkish-orange shade under incandescent lighting. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Apatite data |
| Locality Data: | Click here to view Akzhailyau Mountains, Semey, Abai Region, Kazakhstan |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1589764 |
| Long-form Identifier: | 1:3:1589764:0 |
| GUID (UUID V4): | a54efb19-d5ce-4dd1-bb51-8b375c7f5543 |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | APAT ITE from k az ak hstan L arge crystals of apatite that change color depending on the kind of lighting...during the past few years in the Akzhailyau Mountains of Kazakhstan. They were briefly reported by Hyrsl...(Moore 2002). The Akzhailyau Mountains are in the Semipalatinsk region of east Kazakhstan, not far from the...Range. Geologically, they are composed of the Akzhailyau granites and the surrounding metamorphic and...granites, the latter are highly altered. The Akzhailyau Mountains consist of three parallel arcshaped, high |  | | Journal (article/letter/editorial) | | Lincoln] at 19:55 09 April 2015 Apatite LOCALITIES Figure 1. Apatite, back row (from left) 7.06, 6.20...report on every locality that has ever produced apatite gemstones. 260 ROCKS & MINERALS Although no hard...localities are added where warranted. documented apatite gemstones in the GIA Museum’s collection are recorded...about parcels of “greenish blue to bluish green” apatite they had observed at the Tucson Show that year...with the name ParaĂba, either labeled “ParaĂba apatite” or simply as “ParaĂba.” The same article (p. 161) |  | | Journal (issue) | | from eastern Turkey • First occurrence of star apatite • Chalcedonyopal cameo • Citrine from Madagascar...gemological occurrence of pegmatitic gems in the region, as well as research. Based on his decade of experience...~300 nm and absorbed strongly in parts of the IR region (specifically the range 7000–20000 nm). The smaller...likewise occur in all deposits, but the Golconda region of India has historically been known as one important...carbon atoms cause distinctive features in the IR region of the electromagnetic spectrum; that is, each |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during...Discoveries, 1960-2015 ILMENITE AFRICA (Cherry) Mountains (Drnitriy Belakovskiy, personal communication...contact-metamorphic skarn rocks in the High Atlas mountains around the town of Imilchil began in the 2000s |
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