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Pyrochlore Group from
Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar


Classification
Species:'Pyrochlore Group' (not an IMA approved species)
Formula:A2Nb2(O,OH)6Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrochlore Group data
Locality Data:Click here to view Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar
Data Identifiers
Mindat Occurrence Record ID:603918
Long-form Identifier:1:3:603918:9
GUID (UUID V4):424266d7-99c5-4ae9-a5d1-fc125673ad4d
Nearest other occurrences of Pyrochlore Group
12.4km (7.7 miles) Estatoby (Antanetinilapa), Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar
16.6km (10.3 miles) Ambatodidy, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar
36.7km (22.8 miles) Sarodivotra, Anjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar
39.7km (24.7 miles) Vorondolo massif, Tsarazaza, Fandriana, Amoron'i Mania, Madagascar
References
Reference Search (possible matching items)
Book
approved rulings have been published for the pyrochlore (Amer. Mineral. 1977, 62, 403) and amphibole...recommendations on the nomenclature of the amphibole group, published in the Mineral. Mag. (1978, 42, 533)...p. 433 (Adigeite). A mineral of the serpentine group with the composition 5Mg0.3Si02.3^-4H20, from Mt...8-899, b 7-065, c 6-644 A, /? 97-25°, 4 space group C2/m. Composition 2[CoC12.6H20], with small amounts...(ajmaHHT). /rTh02./U02.wU03.«Pb0, cubic, thorianite group. Named from the locality, Aldan region, eastern
Book (edition)
Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three...identical or closely similar structure and chemistry. A group may be named when there are several end members
Book (edition)
belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956)...p. 579. Abkhazite. syn. of tremolite. Amphibole group. N.E. E fremov ( 1 940 for 1 938) Trans. 111st.
Book (edition)
given to the " normal group" under the successive systems, that is, to the group which is most common...is determined by the way in which the molecules group themselves together in a position of equilibrium...about each one of them (or at least about each unit group of them), and further the same in all parallel lines...normal to the faces of the tetrahedron. 160 This group is illustrated by artificial crystals of barium...Fig. 202). The species wulfenite of the Scheelite Group among mineral species probably belongs here, although
 
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