Sun Moon Star Crystal House (Coral) http://www.sunmoonstar.com.hk
Chinese
Name：珊瑚
English Name：Coral
Chemical Composition：CaCO3 or organic substance
Hardness：3.0
- 4.0
SG：1.37 - 2.65 RI：1.49 to 1.66
Astrological
Sign: Aries (Red Coral)
Locality：Any
oceans, e.g Australia, Japan, West Indies
Colour：Red,
orange, pink, white, blue, black, gold
Origin：Coral
is secreted by animals called "coral polyps" and consists
of the supporting structure of the body of the polyp, which
lives in a "cup". Polyps are either solitary or colonial.
Some colonial corals build structures kown as reefs, which are
the accumulated supporting structures of successive generations
of polyps. Types: Precious Coarl, Black Coral, Golden Coral, Soft Coarl, Fossilized Coarl
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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.
Red & pink corals are good for nervous system and heart
diseases.
7.
White corals are good for bone health & arthritis.
8.
Black corals protect us.
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 direct sunlight or heat for a long period of time.
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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