W(OH, F, Cl)-dominant amphibole R130421 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Fluorlamprophyllite R130421

Name: Fluorlamprophyllite
RRUFF ID: R130421
Ideal Chemistry: (SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂F₂
Locality: Pocos de Caldas Plateau, Minas Gerais, Brazil
Source: Gunnar Farber [view label]
Owner: RRUFF
Description: Aggregates of bladed brownish-orange crystals, associated with natrolite, aegerine, analcime, nepheline, and microcline. Type specimen.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Lamprophyllite (9) ]

CHEMISTRY

RRUFF ID:	R130421.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Na_2.30Mn_0.54Mg_0.16)_Σ3.00(Sr_1.35Na_0.33Ca_0.15K_0.08)_Σ1.91(Ti_2.63Fe_0.24Al_0.03)_Σ2.90Si_3.89O₁₆[F_1.15(OH)_0.85]_Σ2.00

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

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orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R130421

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

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	Raman Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R130421.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 19.255(2)Å b: 7.0715(7)Å c: 5.3807(6)Å
alpha: 90° beta: 96.794(2)° gamma: 90° Volume: 727.5(1)Å³ Crystal System: monoclinic

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REFERENCES for Fluorlamprophyllite
Williams P A, Hatert F, Pasero M, Mills S J (2014) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 19. New minerals and nomenclature modifications approved in 2014, Mineralogical Magazine, 78, 165-170 [view file]
Rastsvetaeva R K, Chukanov N V, Aksenov S M (2016) The crystal chemistry of lamprophyllite-related minerals: a review, European Journal of Mineralogy, 28, 915-930
Andrade M B, Yang H, Downs R T, Färber G, Filho R R C, Evans S H, Loehn C W, Schumer B N (2018) Fluorlamprophyllite, Na₃(SrNa)Ti₃(Si₂O₇)₂O₂F₂, a new mineral from Poços de Caldas alkaline massif, Morro do Serrote, Minas Gerais, Brazil, Mineralogical Magazine, 82, 121-131 [view file]
Belakovskiy D I, Cámara F, Uvarova Y (2019) New mineral names, American Mineralogist, 104, 1360-1364 [view file]

REFERENCES for Fluorlamprophyllite

Williams P A, Hatert F, Pasero M, Mills S J (2014) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 19. New minerals and nomenclature modifications approved in 2014, Mineralogical Magazine, 78, 165-170 [view file]

Rastsvetaeva R K, Chukanov N V, Aksenov S M (2016) The crystal chemistry of lamprophyllite-related minerals: a review, European Journal of Mineralogy, 28, 915-930

Andrade M B, Yang H, Downs R T, Färber G, Filho R R C, Evans S H, Loehn C W, Schumer B N (2018) Fluorlamprophyllite, Na₃(SrNa)Ti₃(Si₂O₇)₂O₂F₂, a new mineral from Poços de Caldas alkaline massif, Morro do Serrote, Minas Gerais, Brazil, Mineralogical Magazine, 82, 121-131 [view file]

Belakovskiy D I, Cámara F, Uvarova Y (2019) New mineral names, American Mineralogist, 104, 1360-1364 [view file]