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

Chinese Name：金珊瑚
English Name：Golden Coral
Chemical Composition：Conchiolin (Mainly from horny organic)
Crystal System：Amorphous, Organic Material
Hardness：2.5 - 3.5
SG：1.3 - 2.2
RI：approx 1.56
Related Chakra：Solar Plexus, Sacral
Locality：West Indies, off the Hawaiian Islands, Australia and in Southern water towards Antarctica
Colour：Golden
Remarks：Coral is secreted by animals called coral polyps.
Coral is the supporting structure for the body of the polyp, which lives in a rigid skeleton or 'cup'.
Some colonial corals build structures known as reefs, which are the accumulated supporting structures of successive generations of polyps.

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Functions：
1.	Good for skin, hair and nails.
2.	Good for bone health, especially for kids.
3.	A kind of love stone.
4.	Adjust & regulate menstruation.
5.	Imporve Kidney/bladder problems
6.	Attract wealth

General care：

1.	Avoid contact with perfumes, hair spay, make-up.
2.	Gem can be scratched easily, so wear with caution.
3.	Avoid knocks.
4.	Avoid heat.
5.	Do not soak in jewellery cleaner.
6.	Avoid contact with household cleaners.
7.	Avoid using ultrasonic and steam cleaners.
8.	Cleaning: Use lukewarm plain water and a soft brush to scrub behind the stone where dirt can collect.

Types of Coral

Precious Coral

Precious Coral are part of the genus Corallium family of hard corals, mainly consists of Calcite (Calcium Carbonate)CaCO3

Colour: Red, Pink, Orange and White

Locality: Mediterranean、Japan South

Hardness: 3.0 - 4.0

SG: 2.60 - 2.70 (white & red)

RI: 1.486 - 1.658

Black & Golden Coral

Balck and Golden Coral is formed mainly from organic material (Conchiolin/horny),contain little or none Calcium Carbonate

Colour: Black, Golden

Locality:: the West Indies, Hawaiian Islands, Australia and in Southern waters towards Antarctica

Hardness: 2.5 - 3.5

SG: 1.37

Soft Coral (Spongy Coral)

mainly consists of Calcite (Calcium Carbonate)CaCO3

Colour: Orange to Red, Blue

Locality: Indo-pacific region

Hardness: ~ 3.5 to /6

SG: ~ 2.65

RI: 1.49 - 1.66

Fossilized Coral

Fossilized by the replacement of the coral by calcite or quartz

Colour: All kinds of colour

Locality: Indonesia、USA(Florida and Georgia)、Morocco

Hardness: 6.5 - 7.0

SG: 2.60 - 2.64

RI: 1.53 - 1.54

	Address: B26, 1/F, San Po Kong Plaza, 33 Shung Ling Street, San Po Kong, Kowloon, HK
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