Sun Moon Star Crystal House (Twinning) http://www.sunmoonstar.com.hk
Chinese
Name：雙晶/孿晶
English Name：Twinning
Cause：Cause
by accidental growth, the change of temperature of pressure.
Remarks：A twin crystal is a crystal
which is composed of two or more individuals whihc have a direct
crystallographic relationship to one another, and have grown
together in a symmetrical manner.
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Types of Twinning：
1.
Contact Twin
Individuals are in contact along a common plane, the "twin
plane". The two parts of such a crystal are so related
that, if one part is rotated through 180° about the twinning
axis, then the two halves would make the shape of an individual
untwinned crystal.Diamond & Spinel frequently occur in this
form.
Swallow Tail Twin
Intersection
angle 84.34°
Japanese Twin / Heart Quartz
Spinel Twin
Calcite Twin
Diamond Macle
Gypsum
Quartz
Spinel
Calcite
Diamond
Japanese Twin / Japan Law Twin / Heart Quartz is Quartz in which two crystals are connected. It looks like "Heart". It is joined at an angle of "84.34º". Japan Law Twin Quartz is famous for the type produced in Japan as the name suggests. It is produced in Yamanashi prefecture and Nagasaki prefecture of Japan. Current production is decreasing. Japan Law Twin can also be found from Brazil, America, Colombia, Peru, etc.
Functions： (Japanese Twin / Heart Quartz)
1.
The power obtained is almost equal to that of Quartz.
2.
It is a gemstone to make you demostrate the power of 100%. It will prevent you from doing things halfway.
3.
It will ease the daily stress.
4.
It is effective for everyone like family, friends, lover or colleagues. It is filled with energy of love and compassion.
2.
Penetrating Twin, Interpenetrant Twin
Two individuals have so intergrown that they appear to have
penetrated each other. Twinned cubes are often in fluorite.
Fluorite, Pyrite & Staurolite frequently occur in this form.
Fluorite Twin
Pyrite Twin
Staurolite Twin
Fluorite
Pyrite
Staurolite
Brazil Twin
Left Handed
Dauphine Twin
Right Handed
Dauphine Twin
Carlsbad Twin/
Karlsbad Twin
Cyclic Twin, Trilling
Quartz
Quartz
Quartz
Orthoclase
Chrysoberyl
3.
Lamellar Twin
Series of contact twins, often in the form of very thin plates.
Feldspar Lamellar Twin
Corundum Lamellar Twin
Feldspar
Corundum (Ruby/ Sapphire)
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Kowloon, HK
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