Cordierite

Strunz Classification:
9.CJ.10
Formula:
Mg2Al3(AlSi5)O18
Crystal System:
Orthorhombic
Hardness:
7 - 7.5
Tenacity:
brittle
Occurrences:
Großer Arber, Germany
Read more from Mindat.org
Common Localities :
Belemboky mine, Madagascar (2)
Harris Quarry, New Hampshire (1)
Richmond Soapstone Quarry, United States (1)
Ruttan Mine, Canada (1)
Common Associations:
Iolite


Common Varieties:
Iolite
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Chalcopyrite,Cordierite from Ruttan Mine, Leaf Rapids, Manitoba, Canada for sale by David K Joyce Minerals priced at USD25.65
USD 26.53 *
Cordierite, Chalcopyrite
Ruttan Mine,
Canada
USD 26.53 *
47 x 44 x 22mm
David K Joyce Minerals
Cordierite from Richmond Soapstone Quarry, Cheshire County, New Hampshire, United States for sale by Well-Arranged Molecules priced at USD225.00
USD 225.00
Cordierite
Richmond Soapstone Quarry,
United States
USD 225.00
62 x 42 x 37mm
Well-Arranged Molecules
Cordierite from Belemboky mine, Tsiombe, Tulear Province, Madagascar for sale by Spirifer Minerals priced at USD65.00
USD 65.00
Cordierite
Belemboky mine,
Madagascar
USD 65.00
10 x 9 x 7mm
Spirifer Minerals
Cordierite from Belemboky mine, Tsiombe, Tulear Province, Madagascar for sale by Spirifer Minerals priced at USD80.00
USD 80.00
Cordierite
Belemboky mine,
Madagascar
USD 80.00
13 x 10 x 8mm
Spirifer Minerals
Cordierite,Iolite from Harris Quarry, Richmond, Cheshire County, New Hampshire for sale by Edwards Minerals priced at USD300.00
USD 300.00
Cordierite var. Iolite
Harris Quarry,
New Hampshire
USD 300.00
62 x 57 x 37mm
Edwards Minerals
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