francoliten.

Brit.

/ˈfraŋkəlʌɪt/, U.S.

/ˈfræŋkəlaɪt/

Origin: From a proper name, combined with an English element. Etymons: proper name Franco , -lite comb. form¹.

Etymology: < the name of Wheal Franco, a former copper mine near Yelverton in south-west Devon, England, where the mineral was first identified + -lite comb. form¹.

Mineralogy.

A mineral of the apatite group now usually called carbonate-fluorapatite.

ΘΚΠ

the world > the earth > minerals > types of mineral > phosphates > [noun] > phosphate of lime or apatite > varieties

spargelstone1804

asparagus stone1816

francolite1843

fluorapatite1849

staffelite1868

collophanite1892

fermorite1910

steadite1911

hydroxyapatite1912

wilkeite1914

collophane1917

hydroxylapatite1927

1843 Catal. Choice Coll. Minerals H. Heuland (Messrs. J. C. & S. Stevens, London) 10 Francolite. Wheal Franco mine, Tavistock, Devonshire.

1850 T. H. Henry in London, Edinb., & Dublin Philos. Mag. 36 134 Mr. Brooke some years since received from Mr. Nuttall some specimens of a mineral found at Wheal Franco near Tavistock, Devon, which appeared to him and to Mr. Brooke to differ in external characters from all the substances with which they were acquainted, and it was consequently provisionally named Francolite.

1957 Encycl. Brit. II. 93/1 Carbonate-containing apatites related to fluorapatite and hydroxyapatite are known as francolite and dahllite, respectively.

2001 Late Amer. Antiq. 12 380/2 No correlation was observed between the δ¹³C value of bioapatite carbonate on the one hand, and C/P ratios of francolite occurrence on the other hand.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	francolite
释义	francoliten. Brit. /ˈfraŋkəlʌɪt/, U.S. /ˈfræŋkəlaɪt/ Origin: From a proper name, combined with an English element. Etymons: proper name Franco , -lite comb. form¹. Etymology: < the name of Wheal Franco, a former copper mine near Yelverton in south-west Devon, England, where the mineral was first identified + -lite comb. form¹. Mineralogy. A mineral of the apatite group now usually called carbonate-fluorapatite. ΘΚΠ the world > the earth > minerals > types of mineral > phosphates > [noun] > phosphate of lime or apatite > varieties spargelstone1804 asparagus stone1816 francolite1843 fluorapatite1849 staffelite1868 collophanite1892 fermorite1910 steadite1911 hydroxyapatite1912 wilkeite1914 collophane1917 hydroxylapatite1927 1843 Catal. Choice Coll. Minerals H. Heuland (Messrs. J. C. & S. Stevens, London) 10 Francolite. Wheal Franco mine, Tavistock, Devonshire. 1850 T. H. Henry in London, Edinb., & Dublin Philos. Mag. 36 134 Mr. Brooke some years since received from Mr. Nuttall some specimens of a mineral found at Wheal Franco near Tavistock, Devon, which appeared to him and to Mr. Brooke to differ in external characters from all the substances with which they were acquainted, and it was consequently provisionally named Francolite. 1957 Encycl. Brit. II. 93/1 Carbonate-containing apatites related to fluorapatite and hydroxyapatite are known as francolite and dahllite, respectively. 2001 Late Amer. Antiq. 12 380/2 No correlation was observed between the δ¹³C value of bioapatite carbonate on the one hand, and C/P ratios of francolite occurrence on the other hand. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.1843
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