Location Found: Franklin and Ogdensburg
 Year Discovered: 1883
 Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
 Essential Elements: Aluminum, Boron, Hydrogen, Magnesium, Oxygen, Silicon, Sodium
 All Elements in Formula: Aluminum, Boron, Hydrogen, Magnesium, Oxygen, Silicon, Sodium
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
 To find out more about this mineral at minDat's website, follow this link   Dravite

Dunn, Pete J. (1995). Franklin and Sterling Hill New Jersey: the world's most magnificent mineral deposits. Franklin, NJ.: The Franklin-Ogdensburg Mineralogical Society. p.424

The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 27 No. 2 - Fall 1986, pg. 10Minerals of the Franklin Quarry, Philip P. Betancourt, Tourmaline Group (uvite and/or dravite)
View IssueV. 21, No. 1 - March 1980, pg. 8Mineral Notes Research Reports, Uvite

Dravite tourmaline and calcite, Sterling Hill Mine, Ogdensburg, NJ
Dravite tourmaline (black prismatic crystals) and calcite (white) from the 1060 crosscut, 700 ft level, Sterling Hill Mine, Ogdensburg, NJ. Field of view 3 1/4". From the collection of JVF, and photo by WP.

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