Mylonitic gneiss with garnet (red) and plagioclase (white) porphyroblasts, Otrøy, Western Gneiss Region, Norway. The mylonite forms the tectonic contact between Baltica autochthonous and allochthonous Blåhø nappe. Coin of 1 euro (diameter 2,3 cm) for scale.
Took this picture myself: public domain.
This image has currency in it to indicate scale.
Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.
Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter).
Images with coins to indicate scale
Common coin diameters for reference:
U.S. dollar (as of?):
1¢: 19.05 mm, 0.75 in
5¢: 21.21 mm, 0.84 in
10¢: 17.91 mm, 0.71 in
25¢: 24.26 mm, 0.94 in
50¢: 30.61 mm, 1.22 in
$1: 26.5 mm, 1.02 in
Canadian dollar (as of?):
1¢: 19.05 mm, 0.75 in
5¢: 21.2 mm, 0.83 in
10¢: 18.03 mm, 0.71 in
25¢: 23.88 mm, 0.94 in
50¢: 27.13 mm, 1.07 in
$1: 26.5 mm, 1.02 in
$2: 28 mm, 1.1 in
Pound sterling as of 2021:
1p: 20.32 mm, 0.8 in
2p: 25.91 mm, 1.02 in
5p: 18 mm, 0.71 in
10p: 24.5 mm, 0.96 in
20p: 21.4 mm, 0.84 in
50p: 27.3 mm, 1.07 in
£1: 23.03–23.43 mm, 0.91–0.92 in
£2: 28.4 mm, 1.12 in
Euro as of 2002:
1c: 16.25 mm, 0.64 in
2c: 18.75 mm, 0.74 in
5c: 21.25 mm, 0.84 in
10c: 19.75 mm, 0.78 in
20c: 22.25 mm, 0.88 in
50c: 24.25 mm, 0.95 in
€1: 23.25 mm, 0.92 in
€2: 25.75 mm, 1.01 in
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Mylonitic gneiss with garnet (red) and plagioclase (white) porphyroblasts, Otrøy, Western Gneiss Region, Norway. The mylonite forms the tectonic contact between Baltica autochtoneous and allochtoneous Blåhø nappe. Coin of 1 euro (diameter 2,3 cm) for s
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scale Took this picture myself public domain This image has currency in it to indicate scale Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess both of which defeat the purpose of the object in the first place Coins can also reinforce a geographical bias and some coins designs are copyrighted Ideally a photograph should include a ruler with the subject example or an added scale marking SI metric units are the most commonly used worldwide see meter and centimeter Images with coins to indicate scale Common coin diameters for reference U S dollar as of 1 19 05 mm 0 75 in 5 21 21 mm 0 84 in 10 17 91 mm 0 71 in 25 24 26 mm 0 94 in 50 30 61 mm 1 22 in 1 26 5 mm 1 02 in Canadian dollar as of 1 19 05 mm 0 75 in 5 21 2 mm 0 83 in 10 18 03 mm 0 71 in 25 23 88 mm 0 94 in 50 27 13 mm 1 07 in 1 26 5 mm 1 02 in 2 28 mm 1 1 in Pound sterling as of 2021 1p 20 32 mm 0 8 in 2p 25 91 mm 1 02 in 5p 18 mm 0 71 in 10p 24 5 mm 0 96 in 20p 21 4 mm 0 84 in 50p 27 3 mm 1 07 in 1 23 03 23 43 mm 0 91 0 92 in 2 28 4 mm 1 12 in Euro as of 2002 1c 16 25 mm 0 64 in 2c 18 75 mm 0 74 in 5c 21 25 mm 0 84 in 10c 19 75 mm 0 78 in 20c 22 25 mm 0 88 in 50c 24 25 mm 0 95 in 1 23 25 mm 0 92 in 2 25 75 mm 1 01 inDeutsch English espanol francais Gaeilge italiano Plattduutsch portugues sicilianu svenska suomi makedonski russkij മലയ ള 한국어 日本語 中文 中文 简体 עברית karxnuyatichsiththi iflnixyuphayitsyyaxnuyat khriexthifkhxmmxns aebbaesdngthima xnuyataebbediywkn 1 0 thwipkhunsamarth thicaaebngpn thicathasaena aeckcay aelasngngandngklawtxip thicaeriyberiyngihm thicaddaeplngngandngklaw phayitenguxnikhtxipni aesdngthima khuntxngihekiyrtiecakhxngnganxyangehmaasm odyephimlingkipyngsyyaxnuyat aelarabuhakmikarepliynaeplng khunxacthaechnniidinrupaebbidkidtamkhwr aettxngimichinlksnathiaenawaphuihxnuyatsnbsnunkhunhruxkarichngankhxngkhun xnuyataebbediywkn If you alter transform or build upon this work you must distribute the resulting work under the same license as the original https creativecommons org licenses by sa 1 0 CC BY SA 1 0 Creative Commons Attribution Share Alike 1 0 true truekhabrryayodyyxithyephimkhabrryaythrrthdediywephuxkhyaykhwamwaiflnimixairixethmthiaesdngxyuiniflniprakxbdwysthanalikhsiththimilikhsiththisyyaxnuyatCreative Commons Attribution ShareAlike 1 0 Generic xngkvs prawtiifl khlikwnthi ewlaephuxduiflthipraktinkhnann wnthi ewlarupyxkhnadphuichkhwamehn pccubn03 15 5 singhakhm 25492 560 1 920 2 09 emkaibt WoudloperMylonitic gneiss with garnet red and plagioclase white porphyroblasts Otroy Western Gneiss Region Norway The mylonite forms the tectonic contact between Baltica autochtoneous and allochtoneous Blaho nappe Coin of 1 euro diameter 2 3 cm for s hnathimiphaphni hnatxipni oyngmathiphaphni imolint karichiflswnklang wikixuntxipniichiflni karichbn ar wikipedia org ميلونيت karichbn ca wikipedia org Milonita karichbn cs wikipedia org Mylonit Wikipedie WikiProjekt Cesko slovenska Wikipedie Prelozene clanky 2017 01 Galerie karichbn de wikipedia org Porphyroklast karichbn en wikipedia org Mylonite Porphyroclast karichbn en wikibooks org Historical Geology Faults karichbn es wikipedia org Anexo Tipos de rocas Milonita Porfiroclasto karichbn fr wikipedia org Gorges d Heric Mylonite karichbn hu wikipedia org Milonit karichbn it wikipedia org Milonite karichbn it wikibooks org Scienze della Terra per le superiori Le rocce metamorfiche karichbn ja wikipedia org マイロナイト karichbn nl wikipedia org Porfyroclast Myloniet Portaal Geologie karichbn nn wikipedia org Mylonitt karichbn no wikipedia org Mylonitt karichbn pt wikipedia org Usuario Dbastro Museu Descoberta Virginia Lista de rochas karichbn ru wikipedia org Milonit karichbn sk wikipedia org Mylonit karichbn sr wikipedia org Milonit Porfiroklast karichbn tr wikipedia org Milonit karichbn uk wikipedia org Milonit Porfiroblastichna struktura karichbn uz wikipedia org Mylonite karichbn www wikidata org Q904607 karichbn zh wikipedia org 殘碎斑晶khxmulekiywkbphaph phaphnimikhxmulephimetim sungswnihymacakklxngdicitxlhruxsaeknenxrthisamarthekbkhxmuldngklawiwrwmkbphaphid thaphaphnithukprbprungaekikhhruxepliynaeplngcakedim khxmulbangxyangcayngkhngimepliynaeplngehmuxnphaphthithukprbprungaekikhnnphuphlitklxngEASTMAN KODAK COMPANYrunkhxngklxngKODAK CX7525 ZOOM DIGITAL CAMERAewlaepidhnaklxng1 250 winathi 0 004 khaexff 6 7ewlathibnthukphaph17 30 23 krkdakhm 2549khwamyawofkselns10 8 mm karcdwangphaphpktikhwamlaexiydaenwnxn230 dpikhwamlaexiydaenwtng230 dpitaaehnng Y aela Ckungklangopraekrmexksophechxropraekrmpktirunexksif Exif 2 21ewlathiaeplngepndicithl17 30 23 krkdakhm 2549khwamerwchtetxr8kharurbaesng A 5 5karchdechyaesng0rurbaesngkwangsud3 7 APEX f 3 61 ohmdkarwdaesngaephtethirnaesngimthrabaeflchimichaeflch rangbichaeflchsepssisRGBdchniexksophechxr80withikarwdesnesxrcudediywkarpramwlphaphophlessspktiohmdexksophechxrexksophechxrxtonmtiiwtbalansiwtbalansxtonmtidicithlsum0rayaofksinfilm 35 mm 66 mm 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