Kovdorskit - Kovdorskite

Kovdorskit
Kovdorskite-36843.jpg
Umumiy
TurkumFosfat minerallari
Formula
(takroriy birlik)
Mg2PO4(OH) · 3H2O
Strunz tasnifi8. DC.22
Dana tasnifi43.05.08.01
Kristalli tizimMonoklinik
Kristal sinfPrizmatik (2 / m)
(bir xil H-M belgisi )
Kosmik guruhP21/ n
Birlik xujayrasia = 10.35, b = 12.90
c = 4.73 [Å]; Z = 4
Identifikatsiya
RangShaffof oq rangdan och ko'k ranggacha porloq pushti ranggacha
Kristall odatTaxminan prizmatik
SinganTengsizgacha konkoid
Mohs o'lchovi qattiqlik4
YorqinlikVitreus
O'ziga xos tortishish kuchi2.28 (o'lchangan), 2.30 (hisoblangan)
Optik xususiyatlariIkki tomonlama (-)
Sinishi ko'rsatkichina = 1,527 nβ = 1,542 nγ = 1.549
Birjalikni buzishb = 0,022
2V burchak80 ° -82 ° (o'lchangan)
Tarqoqlikr > v, juda zaif
Adabiyotlar[1][2][3][4]

Kovdorskit, Mg2PO4(OH) · 3H2O, noyob, hidratlangan, magniy fosfat mineral. Birinchi marta Kapustin tomonidan tasvirlangan va boshq.,[5] va faqat Kovdor massivi yaqin Kovdor, Kola yarim oroli, Rossiya.[3] Bu bilan bog'liq kollinsit, magnezit, dolomit, gidrotaltsit, apatit, magnetit va forsterit.[1]

Adabiyotlar

  1. ^ a b Entoni J V, Bideaux RA, Bledx K V va Nikols M S (1990) Mineralogiya qo'llanmasi, Mineral Data Publishing, Tucson Arizona, AQSh, Amerika mineralogik jamiyati ruxsati bilan. [1].
  2. ^ Ovchinnikov V E, Soloveva L P, Pudovkina Z V, Kapustin Y L, Belov N V (1980) kovdorskitning kristal tuzilishi Mg2 (PO4) (OH) · 3 (H2O), Doklady Akademii Nauk SSSR, 255, 351-354 [2].
  3. ^ a b Mindat.org saytidagi Kovdorskite
  4. ^ Webmineral-dagi Kovdorskite ma'lumotlari
  5. ^ Kapustin, Y. L., Bykova, A. V. & Pudovkina, Z. V. (1980). Zap. Vses. Mineral. Ova. 109, 341-347 [3]

Qo'shimcha o'qish

  • Subbotin, R. P. L. V. V., & Paxomovskiy, Y. A. (1998). Rossiyaning Kovdor massividagi fosoritlar va karbonatitlarda skandiy minerallashuvining yangi turi. Kanadalik mineralogist 36: 971-980.
  • Yakovenchuk V N, Ivanyuk G Y, Mixaylova Y A, Selivanova E A, Krivovichev S V (2006) Paxomovskit, Co3 (PO4) 2 · 8H2O, Rossiyaning Kola yarim orolidagi Kovdor, Kanadalik mineralogist 44, 117-123