Dr Andy Christy is a past member of RSPE. Contact details and information may no longer be correct.

Dr Andy Christy

Position	Visiting Fellow
Department	Department of Applied Mathematics
Office phone	(02) 612 56880
Email
Publication list	Christy publication list (275KB PDF)

Publications

Publications

Book chapter

Carnerup A, Carnerup A, Christy A, Christy A, Christy A, Christy A, Garcia-Ruiz J, Garcia-Ruiz J, Hyde S, Hyde S, Larsson A, Larsson A
The Record of Early Life: In search of Biosignatures
Life as We Know It
Springer, the Netherlands (2006) 239-257

Rode A, Christy A, Gamaly E, Hyde S, Luther-Davies B
Magnetic Properties of Novel Carbon Allotropes
Carbon Based Magnetism: An Overview of the Magnetism of Metal Free Carbon-based Compounds and Materials
Elsevier, Netherlands (2006) 463-482

Carnerup A, Hyde S, Larsson A, Christy A, Garcia-Ruiz J
Silica-carbonate biomorphs and their Implications for Identification of Microfossils
Life in the universe - From the Miller experiment to the search for life on other worlds: Proceedings of the 7th Conference on Chemical Evolution and the Origin of Life
Kluwer Academic Publishers, Boston (2004) 221-2222

(3 publications)

Journal article

Maulana A, Christy A, Ellis D, Brocker M
The distinctive tectonic and metamorphic history of the Barru Block, South Sulawesi, Indonesia: Petrological, geochemical and geochronological evidence
Journal of Asian Earth Sciences 172(2019) 170-189

Christy A
A Review of the Structures of Vaterite: The Impossible, the Possible, and the Likely
Crystal Growth & Design 17, 6(2017) 3567-3578

Mills S, Christy A, Rumsey M, Spratt J, Bittarello E, Favreau G, Ciriotti M, Berbain C
Hydroxyferroromeite, a new secondary weathering mineral from Oms, France
European Journal of Mineralogy 29, 2(2017) 307-314.

Bosi F, Christy A, Halenius U
Crystal-chemical aspects of the Rom�ite group, A2Sb2O6Y, of the pyrochlore supergroup
Mineralogical Magazine 81, 6(2017) 1287-1302

Mills S, Christy A, Rumsey M, Spratt J
The crystal chemistry of elsmoreite from the Hemerdon (Drakelands) mine, UK: Hydrokenoelsmoreite-3C and hydrokenoelsmoreite-6R
Mineralogical Magazine 80, 7(2016) 1195-1203

Mills S, Dunstan M, Christy A
YCu(TeO3)(2)(NO3)(H2O)(3): a novel layered tellurite
Acta Crystallographica Section E: Structure Reports Online 72(2016) 1138-1142

Mills S, Christy A, Schmitt R
The creation of neotypes for hydrotalcite
Mineralogical Magazine 80, 6(2016) 1023-1029

Mills S, Christy A, Rumsey M, Spratt J
Discreditation of partzite
European Journal of Mineralogy 28, 5(2016) 1019-1024

Mills S, Christy A
The Great Barrier Reef Expedition 1928-29: The crystal structure and occurrence of weddellite, ideally CaC2O4 center dot 2.5H(2)O, from the Low Isles, Queensland
Mineralogical Magazine 80, 2(2016) 399-406

Chen K, Arad A, Chen K, Storrar J, Christy A
The clinical value of pathology tests and imaging study in the diagnosis of acute appendicitis
Postgraduate Medical Journal 92, 1092(2016) 611-619

Christy A, Mills S, Kampf A
A review of the structural architecture of tellurium oxycompounds
Mineralogical Magazine 80, 3(2016) 415-545

Christy A, Mills S, Kampf A, Housley R, Thorne B, Marty J
The relationship between mineral composition, crystal structure and paragenetic sequence: The case of secondary Te mineralization at the Bird Nest drift, Otto Mountain, California, USA
Mineralogical Magazine 80, 2(2016) 291-310

Mills S, Christy A, Colombo F, Price J
The crystal structure of cyanotrichite
Mineralogical Magazine 79, 2(2015) 321-335

Maulana A, Christy A, Ellis D
Petrology, geochemistry and tectonic significance of serpentinized ultramafic rocks from the South Arm of Sulawesi, Indonesia
Chemie der Erde 75, 1(2015) 73-87

Christy A
Causes of anomalous mineralogical diversity in the Periodic Table
Mineralogical Magazine 79, 1(2015) 33-49

Bindi L, Christy A, Mills S, Ciriotti M, Bittarello E
New compositional and structural data validate the status of jamborite
The Canadian Mineralogist 53, 5(2015) 791-802

Mills S, Christy A, Schnyder C, Favreau G, Price J
The crystal structure of camerolaite and structural variation in the cyanotrichite family of merotypes
Mineralogical Magazine 78, 7(2014) 1527-1552

Genin J, Mills S, Christy A, Gu�rin O, Herbillon A, Kuzmann E, Ona-Nguema G, Ruby C, Upadhyay C
M�ssbauerite, Fe6 3+ O4 (OH) 8 [CO3].3H2O, the fully oxidized 'green rust' mineral from Mont Saint-Michel Bay, France
Mineralogical Magazine 78, 2(2014) 447-465

Madadi M, Christy A
A modified coherent potential approximation: Grain-contact moduli and coordination-number effect
Advances in Geophysics 77, 3(2012) WA141-WA148

Arad A, Madadi M, Christy A, Hegland T
Wavelet based solution of flow and diffusion problems in digital materials
Australian and New Zealand Industrial and Applied Mathematics Journal 52(2011) C678-C695

Rode A, Arcon D, Zorko A, Jaglicic Z, Christy A, Madsen N, Luther-Davies B, Lau D, McCulloch D
Positive magnetism in Carbon Nanoclusters produced by high-repetition Rate-Laser Ablation
Materials Research Society Symposium Proceedings 998, J03-05(2007)

Rode A, Christy A, Madsen N, Gamaly E, Hyde S, Luther-Davies B
Positive magnetisation in carbon nanostructures
Current Applied Physics 6, 3(2006) 549-552

Blinc R, Cevc P, Arcon D, Zalar B, Zorko A, Apih T, Milia F, Madsen N, Christy A, Rode A
¹³C NMR and EPR of carbon nanofoam
Physica Status Solidi B (On-line) 243, 13(2006) 3069-3072

Arcon D, Jaglicic Z, Zorko A, Rode A, Christy A, Madsen N, Gamaly E, Luther-Davies B
Origin of magnetic moments in carbon nanofoam
Physical Review B: Condensed Matter and Materials 74, 1(2006) 014438-1-9

Rode A, Gamaly E, Christy A, Fitzgerald J, Hyde S, Elliman R, Luther-Davies B, Veinger A, Androulakis J, Giapintzakis J
Strong paramagnetism and possible ferromagnetism in pure carbon nanofoam produced by laser ablation
Journal of Magnetism and Magnetic Materials 290-291(2005) 298-301

Christy A, Christy A, Christy A, Christy A, Senden T, Senden T, Evans P, Evans P
Automated measurement of checks at wood surfaces
Measurement 37(2005) 109-118

Rode A, Gamaly E, Christy A, Fitzgerald J, Hyde S, Elliman R, Luther-Davies B, Veinger A, Androulakis J, Giapintzakis J
Unconventional Magnetism in All-Carbon Nanofoam
Physical Review B: Condensed Matter and Materials 70, 5(2004) 054407-1-9

Hyde S, Hyde S, Carnerup A, Carnerup A, Larsson A, Larsson A, Christy A, Christy A, Christy A, Christy A, Garcia Ruiz J, Garcia Ruiz J
Self-assembly of Carbonate-silica Colloids: Between Living and Non-living Form
Physica A: Statistical mechanics and its applications 339(2004) 24-33

Christy A, Christy A, Christy A, Christy A, Grew E, Grew E
Synthesis of beryllian sapphirine in the system MgO-BeO-Al₂O₃-SiO₂-H₂O and comparison with naturally occurring beryllian sapphirine and khmaralite, part 2: A chemographic study of Be content as a function of
American Mineralogist 89(2004) 327-338

Schroeder G, Schroeder G, Ramsden S, Ramsden S, Ramsden S, Ramsden S, Christy A, Christy A, Christy A, Christy A, Hyde S, Hyde S
Medial Surfaces of Hyperbolic Structures
European Physical Journal B 35(2003) 551-564

Garcia-Ruiz J, Garcia-Ruiz J, Hyde S, Hyde S, Carnerup A, Carnerup A, Christy A, Christy A, Christy A, Christy A, Van Kranendonk M, Van Kranendonk M, Welham N, Welham N
Self-assembled Silica-carbonate Structures and Detection of Ancient Microfossils
Science 302(2003) 1194-1197

Christy A, Christy A, Christy A, Christy A, Christy A, Christy A, Christy A, Christy A, Christy A, Tabira Y, Tabira Y, Tabira Y, Holscher A, Holscher A, Holscher A, Grew E, Grew E, Grew E, Schreyer W, Schreyer W, Schreyer W
Synthesis of beryllian sapphirine in the system MgO-BeO-Al₂O₃-SiO₂-H₂O and comparison with naturally occurring beryllian sapphirine and khmaralite. Part 1: Experiments, TEM, and XRD.
American Mineralogist 87(2002) 1104-1112

Rode A, Elliman R, Gamaly E, Veinger A, Christy A, Hyde S, Luther-Davies B
Electronic and magnetic properties of carbon nanofoam produced by high-repetition-rate laser ablation
Applied Surface Science 197(2002) 644-699

Carnerup A, Christy A, Welham N, Hyde S
Morphology: an ambiguous indicator of biogenicity.
Astrobiology 2, 3(2002) 353-369

Garcia Ruiz J, Garcia Ruiz J, Carnerup A, Carnerup A, Christy A, Christy A, Christy A, Christy A, Welham N, Welham N, Hyde S, Hyde S
Morphology: An Ambiguous Indicator of Biogenicity
Astrobiology 2, 3(2002) 335-351

Welberry T, Christy A
"About short- and long-range orderings in w?stites, Fe1-xO: Reply to "Defect distribution and the diffuse X-ray diffraction pattern of w?stite, Fe1-xO" by C. Carel, J.R. Gavarri, Phys Chem Minerals (1998) 26:78-80"
Physics and Chemistry of Minerals 26, 1(1998) 81-82

Christy A, Larsson A
Computer Simulation of Modulated Structures and Diffuse Scattering inB8-type (Co, Ni, Cu)1+x(Ge, Sn) Phases
Journal of Solid State Chemistry 135, 2(1998) 269-281

Christy A, Larsson A
Simulation of Sinusoidal Diffuse Scattering Loci in the NonstoichiometricB8-Type Alloy PhasesA1+xB,A=(Co, Ni),B=(Ge, Sn)
Journal of Solid State Chemistry 140, 2(1998) 402-416

Christy A
Hyalotekite, (Ba,Pb,K)4(Ca,Y)2Si8(B,Be) 2(Si,B)2O28F, a tectosilicate related to scapolite: New structure refinement, phase transitions and a short-range ordered 3b superstructure
Mineralogical Magazine 62A, PART 1(1998) 77-92

(39 publications)

Conference paper

Norman M, Bermingham K, Christy A, Bennett V
Eucrite Meteorites:Clues to Early Igeneous Processes on differentiated asteroids
Australian Space Science Conference 2010 ?, ?(2011) 133-144

Arad A, Madadi M, Christy A, Sheppard A, Averdunk H, Knackstedt M
Understanding rock mechanics and acoustic anisotropy at the pore/grain scale
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2010) ?, ?(2010) 16

Rode A, Madsen N, Christy A, Luther-Davies B, Arcon D, Zorko A, Jaglicic Z, Lau D, McCulloch D
Magnetic Ordering and Spin-glass Behaviour of Carbon Nanoclusters
International Conference on Nanoscience and Nanotechnology (ICONN 2006) ?, ?(2006) 31-34

Rode A, Christy A, Madsen N, Gamaly E, Luther-Davies B, Arcon D, Zorko A, Jaglicic Z
Spin Glass Behaviour of Magnetic Carbon Nanoclusters
Nano Sciences and Technology Institute Conference and Trade Show 2006 1(2006) 186-189

Rode A, Madsen N, Christy A, Hermann J, Gamaly E, Luther-Davies B
Magnetic carbon cluster formation process: optical spectroscopy of laser-ablated carbon plume
International Winter School/Euroconference on electronic properties of novel materials 2005 786(2005) 96-99

(5 publications)