Lozenge (heraldry)

• Lozenge: a diamond-shaped rhombus, usually somewhat narrower than it is tall
• Fusil: a thin lozenge; very much taller than it is wide.
• Mascle: a voided lozenge (i.e. with a largish lozenge shaped hole)
• Rustre (very rare): a lozenge pierced (i.e. with a smallish round hole)

• 
  3 lozenges—Gules, three lozenges argent— Guillaume de Haer (according to Gelre)
• 
  3 fusils—Per fess azure and vair ancient; three fusils in chief and a crescent in base, or; a bordure engrailed argent—Freeman of Murtle, Scotland
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  9 mascles—Gules, nine mascles or—Rohan family of France
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  5 rustres—Argent; on a saltire gules five rustres argent, in chief a lion rampant of the second (gules)—Dalrymple of Woodhead, Scotland
• 
  "Or, a lozenge sable"
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  Fusils
• 
  Mascles
• 
  A rustre

The blason Lozengy is a form of variation of the field or of another charge (for example a chevron lozengy) which consists of lozenges semée, or sown like seeds (Latin: semen, a seed), or strewn across the field, but in an organised contiguous pattern. The arms granted to the Canadian John Francis Cappucci bring an example of lozengy voided, the same as "lozengy" but with a smaller lozenge-shaped hole cut out of each segment.[2]

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  Lozengy or and azure (effectively a field azure semée with lozenges or)
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  Lozengy azure and or (effectively a field or semée with lozenges azure)
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  A lozengy shield
• 
  This Monegasque flag is "lozengy gules and argent"
• 
  A variant Flag of Bavaria, an array of 21 or more lozenges bendwise of white and blue (blazoned as a field "fusilly in bend" or sometimes "bendy lozengy").
• 
  The personal arms of Margaret of Parma
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  The arms of Isabella Clara Eugenia of Spain
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  The personal coat of arms of Anne, Princess Royal displayed on a lozenge.
• 
  Arms of Borredà, a municipality in Catalonia

• Weckeler, an historical coin named after its depiction of a heraldic lozenge or lozenged shield

• Fox-Davies, Arthur Charles (1909). A Complete Guide to Heraldry. New York: Dodge Pub. Co.(and the more recent editions) LCCN 09-23803
• Canadian Heraldic Authority, Public Register, with many official versions of modern coats of arms, searchable online archive.gg.ca
• South African Bureau of Heraldry, data on registered heraldic representations (part of National Archives of South Africa); searchable online (but no illustration), national.archsrch.gov.za
• Civic Heraldry of England and Wales, fully searchable with illustrations, civicheraldry.co.uk
• Heraldry Society of Scotland, members' arms, fully searchable with illustrations of bearings, heraldry-scotland.com
• Heraldry Society (England), members' arms, with illustrations of bearings, only accessible by armiger's name (though a Google site search would provide full searchability), theheraldrysociety.com
• Royal Heraldry Society of Canada, Members' Roll of Arms, with illustrations of bearings, only accessible by armiger's name (though a Google site search would provide full searchability), heralrdry.ca
• Brooke-Little, J P, Norroy and Ulster King of Arms, An heraldic alphabet (new and revised edition), Robson Books, London, 1985 (first edition 1975); very few illustrations
• Greaves, Kevin, A Canadian Heraldic Primer, Heraldry Society of Canada, Ottawa, 2000, illustrations
• Moncreiffe of Easter Moncreiffe, Iain, Kintyre Pursuivant of Arms, and Pottinger, Don, Herald Painter Extraordinary to the Court of the Lord Lyon King of Arms Simple Heraldry, Thomas Nelson and Sons, London and Edinburgh, 1953; illustrated
• Friar, Stephen (ed) A New Dictionary of Heraldry Alphabooks, Sherborne, 1987; with very few illustration of attitudes