Palygorskite

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Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0420

Price: 385.00 EUR

Uranium Mine´s District Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: MINS1176

Price: 25.00 EUR

Strážek near Velké Meziříčí, Moravia, Czech Republic

Item-No.: MIN0112

Price: 22.00 EUR

Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0422

Price: 795.00 EUR

Brno - Obřany, Brno, Moravia, Czech Republic

Item-No.: MINS931

Price: 20.00 EUR

Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0421

Price: 420.00 EUR

Chýnov cave, Chýnov, Tábor Co., Jihočeský Region, Czech Republic

Item-No.: MINS1229

Price: 20.00 EUR

Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0419

Price: 295.00 EUR

Chýnov cave, Chýnov, Tábor Co., Jihočeský Region, Czech Republic

Item-No.: MIN0111

Price: 39.00 EUR

Synonyms:	Attapulgite, Polygorskite
Classification:	Silicates, Phyllosilicates, Palygorskite Group
Chemical formula:	(Mg,Al)₅(Si,Al)₈O₂₀(OH)₂ · 8H₂O
Crystal system:	Monoclinic
Density (g/cm³):	2,1 - 2,6 measured, 2,35 calculated
Tenacity:	Flexible, tough
Cleavage:	Distingt / Good
Fracture:	Irregular/Uneven, if moist pliable
Hardness (Mohs):	2 - 2,5
Colour:	White. grayish, yellowish, gray-green, gray-brownisch
Lustre:	Waxy, Earthy
Streak:	White
Type locality:	Second Mine, Popovka River, Palygorskaya Distance of Perm Railways, Permskaya Oblast', Middle Urals, Urals Region, Russia