Heulandite-Ca

Order items by
Heulandite
Pune District, Maharashtra, India

Item-No.: MINS1536
Price: 9.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1537
Price: 5.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1541
Price: 5.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1542
Price: 6.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1543
Price: 6.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1544
Price: 6.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1547
Price: 5.00 EUR 
Heulandite
Jalgaon District, Maharastra, Indien

Item-No.: MINS1690
Price: 6.00 EUR 

Synonyms:  Heulandite
Classification:  Silicates, tektosilicates with zeolitic H2O, zeolite family, heulandite group
Chemical formula:  (Ca,Na)5(Si27Al9)O72 · 26H2O
Crystal system:  Monoclinic
Density (g/cm3):  2,1 - 2,2 measured, 2,17 calculated
Tenacity:  Brittle
Cleavage:  Perfect on the {010}
Fracture:  Irregular/uneven, sub-conchoidal
Hardness (Mohs):  3,5 - 4
Colour:  White, colorless, red, yellow, brown, green
Lustre:  Vitreous, pearly on cleavage
Streak:  White
Type locality:  Strathclyde, Scotland, UK

 


 

 


 

 
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