Sun Moon Star Crystal House (Aventurine, Aventurine Quartz) http://www.sunmoonstar.com.hk

Chinese Name：東陵玉、砂金石、砂金石英
English Name：Aventurine, Aventurine Quartz, Golden sandstone
Chemical Composition：SiO2
Crystal System：Trigonal
Hardness：6.5 - 7.0
SG：2.64 - 2.69
RI：1.54 - 1.55 (Double refraction +0.009)
Related Chakra：Heart
Birthstone：May
Locality：Brazil, India, Japan, United States, Africa
Colour：The most common colour of aventurine is green, but it may also be orange, brown, yellow, blue, or gray.
Remarks：Always include with micro-grain crystals & pyrite. Mostly dark green with metallic glittery appearance caused by included fuchsite (chrome-bearing green mica), red- to gold-brown caused by hematite or goethite.
Special Optical Effect：Aventurine Effect, stone shows sparkling spots when rotated under reflective light, it's due to the tiny mica plates within the quartzite.

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Aventurine Effect of aventurine quartz

Functions：
1.	Easy to start with new plan, new job. Followed with wealth & luck.
2.	Attract friendship, good for health.
3.	Related to the heart chakra, it's a "happy stone", the feel of happiness.
4.	Wear it as a lucky charm. Reduce sadness.

General care：

1.	The gem is durable enough for everyday wear.
2.	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