List of works by Robert T. Downs

A Review of the Phyllosilicates in Gale Crater as Detected by the CheMin Instrument on the Mars Science Laboratory, Curiosity Rover

scientific article

Adanite, a new lead-tellurite-sulfate mineral from the North Star mine, Tintuc, Utah, and Tombstone, Arizona, USA

scientific article published in May 2020

Agardite-(Y), Cu(2+) 6Y(AsO4)3(OH)6·3H2O

scientific article published on 31 August 2013

Anorpiment, As2S3, the triclinic dimorph of orpiment

scientific paper

BUILDING THE MINERAL EVOLUTION DATABASE: IMPLICATIONS FOR FUTURE BIG DATA ANALYSIS

article

Calcioferrite with composition (Ca3.94Sr0.06)Mg1.01(Fe2.93Al1.07)(PO4)6(OH)4·12H2O.

scientific article published on 28 February 2014

Characterization and Calibration of the CheMin Mineralogical Instrument on Mars Science Laboratory

article

Chromium mineral ecology

article

Clay mineral diversity and abundance in sedimentary rocks of Gale crater, Mars. ⬇️

scientific article published on 6 June 2018

Cobalt mineral ecology

article

Compressibility and crystal structure of kyanite, Al2 SiO5, at high pressure

scholarly article

Crystal chemistry of martian minerals from Bradbury Landing through Naukluft Plateau, Gale crater, Mars

scholarly article by Shaunna M. Morrison et al published 1 June 2018 in American Mineralogist

Earth’s “missing” minerals

scientific article published in October 2015

Evidence for Multiple Diagenetic Episodes in Ancient Fluvial-Lacustrine Sedimentary Rocks in Gale Crater, Mars ⬇️

scientific article published on 13 August 2020

Evidence for the oxidation of Earth's crust from the evolution of manganese minerals

scientific article published on 18 February 2022

Ferrobobfergusonite, ☐Na2Fe2+5Fe3+Al(PO4)6, a new mineral of the bobfergusonite group from the Victory mine, Custer County, South Dakota, USA

scientific article

Ferrofettelite, [Ag6As2S7][Ag10FeAs2S8], a new sulfosalt from the Glasberg quarry, Odenwald, Germany

scientific article published in April 2022

Fluorlamprophyllite, Na3(SrNa)Ti3(Si2O7)2O2F2, a new mineral from Poços de Caldas alkaline massif, Morro do Serrote, Minas Gerais, Brazil

scientific paper

Global earth mineral inventory: A data legacy

scientific article published on 11 November 2020

Gypsum, bassanite, and anhydrite at Gale crater, Mars

scientific article published in July 2018

High-pressure synthetic (Na(0.97)Mg(0.03))(Mg(0.43)Fe(0.17)Si(0.40))Si(2)O(6), with six-coordinated silicon, isostructural with P2/n omphacite.

scientific article published on 31 January 2012

Hydroxycalciomicrolite, Ca1.5Ta2O6(OH), a new member of the microlite group from...

scientific paper

Iranite, CuPb10(CrO4)6(SiO4)2(OH)2, isomorphous with hemihedrite

scientific article published on 30 November 2007

Kolbeckite, ScPO(4).2H(2)O, isomorphous with metavariscite

scientific article published on 22 September 2007

Kôzulite, an Mn-rich alkali amphibole

scientific paper

Lanthanite-(Nd), Nd2(CO3)3·8H2O.

scientific article published on 6 February 2013

Lavinskyite, K(LiCu)Cu6(Si4O11)2(OH)4, isotypic with plancheite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa

scientific article published in 2014

Lazaraskeite, Cu(C2H3O3)2, the first organic mineral containing glycolate, from the Santa Catalina Mountains, Tucson, Arizona, U.S.A.

scientific article published in March 2022

Lipuite, a new manganese phyllosilicate mineral from the N'Chwaning III mine, Kalahari Manganese Fields, South Africa

scientific article

Lithio-marsturite, LiCa(2)Mn(2)Si(5)O(14)(OH).

scientific article

Liudongshengite, Zn4Cr2(OH)12(CO3)·3H2O, a new mineral of the hydrotalcite supergroup, from the 79 mine, Gila County, Arizona, USA

scientific article

Lotharmeyerite, Ca(Zn,Mn)(2)(AsO(4))(2)(H(2)O,OH)(2).

scientific article published on 23 December 2011

MINERAL ECOLOGY: CHANCE AND NECESSITY IN THE MINERAL DIVERSITY OF TERRESTRIAL PLANETS

article

Marshallsussmanite, NaCaMnSi3O8(OH), a new pectolite-group mineral providing insight into hydrogen bonding in pyroxenoids

scientific article published in 2021

Meieranite, Na2Sr3MgSi6O17, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa

scientific article published in 2019

Mineralogy, provenance, and diagenesis of a potassic basaltic sandstone on Mars: CheMin X-ray diffraction of the Windjana sample (Kimberley area, Gale Crater)

scientific article (publication date: 2016)

Natropalermoite, Na2SrAl4(PO4)4(OH)4, a new mineral isostructural with palermoite, from ...

scientific paper

Network analysis of mineralogical systems

scientific article published in August 2017

Nioboaeschynite-(Ce), Ce(NbTi)O(6)

scientific article

On the mineralogy of the “Anthropocene Epoch”

article

Parisite-(La), ideally CaLa2(CO3)3F2, a new mineral from Novo Horizonte, Bahia, Brazil

scientific article

Penikisite, BaMg(2)Al(2)(PO(4))(3)(OH)(3), isostructural with bjarebyite

scientific article published on 9 January 2013

Petersite-(Ce), Cu2+6Ce(PO4)3(OH)6·3H2O, a new mixite group mineral from Yavapai County, Arizona, USA

scientific paper

Pirquitasite, Ag(2)ZnSnS(4).

scientific article published on 19 January 2013

Pyrosmalite-(Fe), Fe(8)Si(6)O(15)(OH,Cl)(10).

scientific article published on 14 December 2011

Raygrantite, Pb10Zn(SO4)6(SiO4)2(OH)2, a new mineral isostructural with iranite, from...

scientific paper

Redetermination of clinobaryl-ite, BaBe(2)Si(2)O(7).

scientific article published on 29 September 2012

Redetermination of conichalcite, CaCu(AsO(4))(OH).

scientific article published on 6 August 2008

Redetermination of despujolsite, Ca(3)Mn(SO(4))(2)(OH)(6)·3H(2)O

scientific article

Redetermination of junitoite, CaZn(2)Si(2)O(7)·H(2)O

scientific article published on 8 September 2012

Redetermination of katayamalite, KLi3Ca7Ti2(SiO3)12(OH)2.

scientific article published on 22 June 2013

Redetermination of kovdorskite, Mg(2)PO(4)(OH)·3H(2)O.

scientific article published on 11 January 2012

Redetermination of olivenite from an untwinned single-crystal

scientific article published on 23 August 2008

Redetermination of ruizite, Ca2Mn(3+) 2[Si4O11(OH)2](OH)2·2H2O.

scientific article published on 14 June 2016

Relationships between unit-cell parameters and composition for rock-forming minerals on Earth, Mars, and other extraterrestrial bodies

scholarly article in American Mineralogist, vol. 103 no. 6, June 2018

Robertsite, Ca(2)Mn(III) (3)O(2)(PO(4))(3)·3H(2)O.

scientific article

Rruffite, Ca2Cu(AsO4)2·2H2O, a new member of the roselite group, from Tierra Amarilla, Chile

scientific article published in 2011

Safflorite, (Co,Ni,Fe)As(2), isomorphous with marcasite

scientific article published on 23 August 2008

Schaurteite, Ca(3)Ge(SO(4))(2)(OH)(6)·3H(2)O.

scientific article published on 12 January 2013

Scottyite, the natural analog of synthetic BaCu2Si2O7, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa

article

Segerstromite, Ca3(As5+O4)2[As3+(OH)3]2, the first mineral containing As3+(OH)3, the arsenite molecule, from...

scientific paper

Silicic volcanism on Mars evidenced by tridymite in high-SiO2 sedimentary rock at Gale crater ⬇️

scientific article

Taniajacoite and strontioruizite, two new minerals isostructural with ruizite from the N'Chwaning III mine, Kalahari manganese field, South Africa

scientific article

Terrywallaceite, AgPb(Sb,Bi)3S6, isotypic with gustavite, a new mineral from Mina Herminia, Julcani Mining District, Huancavelica, Peru

scientific article published in 2013

The Structure of Ferroselite, FeSe2, at Pressures up to 46 GPa and Temperatures down to 50 K: A Single-Crystal Micro-Diffraction Analysis

scientific article published on 13 July 2018

The origin and implications of clay minerals from Yellowknife Bay, Gale crater, Mars

scientific article published on April 2015

Using Visual Exploratory Data Analysis to Facilitate Collaboration and Hypothesis Generation in Cross-Disciplinary Research

article

Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover

scientific article

Wilancookite, (Ba,K,Na)8 (Ba,Li,☐)6 Be24 P24 O96·32H2O, a new beryllophosphate with a zeolite framework

scientific paper

Zhanghuifenite, Na3Mn2+4Mg2Al(PO4)6, a new mineral isostructural with bobfergusonite, from the Santa Ana mine, San Luis province, Argentina

scientific article

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