Sun Moon Star Crystal House (Prehnite) http://www.sunmoonstar.com.hk

Chinese Name：葡萄石
English Name：Prehnite
Chemical Composition：Ca2Al2Si3O10(OH)2 (Basic calcium aluminum silicate)
Crystal System：Orthorhombic
Hardness：6.0 - 6.5
SG：2.82 - 2.94
RI：1.611 - 1.669 (Double refraction +0.021 +0.039)
Related Chakra：Heart
Locality：Australia, China, Scotland, South Africa, USA
Colour：Yellow-green, brown-yellow, transparent, translucent

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Functions：
1.	Prehnite representing happiness, wealth. Related to heart chakra, good for lung & heart.
2.	The energy from prehnite can get through self (ego), soften the stubborn character.
3.	Relief from nervous emotion, pressure and tired.
4	A kind of "lucky stone".
5	Place a prehnite beside pillow, helps a person to sleep well.

General care：

1.	Avoid contact with perfumes, hair spay, make-up.
2.	Avoid knocks.
3.	Avoid contact with household cleaners.
4	Avoid using ultrasonic and steam cleaners.
5.	Cleaning: Use lukewarm plain water, mild soap and a soft brush to scrub behind the stone where dirt can collect.

	Address: B26, 1/F, San Po Kong Plaza, 33 Shung Ling Street, San Po Kong, Kowloon, HK
	Sun Moon Star Crystal House. All Rights Reserved. Designed by Sun Moon Star Design House