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Precious stone

Mining» Precious Stones' Information » Citrine

Description :

What is citrine?

Citrine is one of the majority popular gemstones in group of reasonably priced gems for even poor. It is accessible in lemon yellow, deep yellow, light yellow, brownish yellow and whisky color. The pastor, psychoanalyst says that if we have on an appropriate gem at correct time and according to correct way then gem will without doubt help out us in every day activities and take away difficulties.

Where do they form?

It is the range of mineral quartz establish in igneous, metamorphic and sedimentary rocks. It takes place at the time of volcanic eruption in the siliceous volcanic lava that gush profound inside the cavities and veins of the rocks. Throughout the oxidization state when high temperature is also high this yellow to orange colored gemstone comes into way of life.

Composition
  • Chemical Composition: It is silicon dioxide and the chemical formula is SiO2.
  • Crystal System: Trigonal crystal system.
  • Fractures: Conchoidal.
  • Cleavage: Indiscernible.
  • Birefringence: 0.009
  • Enhancement: Often enhanced to improve the color.
  • Luster: Vitreous.
  • Refractive Index: 1.544-1.553
  • Specific Gravity: 2.6 - 2.7.
  • Colors: Various shades of yellow and orange.
  • Solid State: Transparent to translucent.
  • Hardness: 7 Mohs.
  • Tenacity: Brittle.
  • Source: Brazil, USA, Russia, Uruguay, Scotland, Bolivia, France, Spain and Madagascar.
  • Precautions: Has to be protected from sunlight.

Physical Properties :

Clarity

This blistering gemstone is clear to transparent in nature includes a vitreous luster. Inclusions and defect crop up relatively less. A small number of stones consist of roughly unimportant cracks and are clear stones. In addition, the inclusions if present any are detached during the cutting of rough.

Cut

It could be adjusted with no trouble into diverse cuts and shapes being strong and tough stone. Cutters take pleasure in cutting this stone, as it does not need much energy with respect to time and adroitness. Only some common cuts are pear, oval, round, square, emerald and a lot of more. However, people are partiality towards round and oval shapes the most as the brilliance of the gem two times in these precise cuts.

Carat weight

It is found in huge pieces as uneven. The stones with high carat weight look astonishing as the color turn out to be gloomy and bright. The idyllic weight for jewels bits and pieces is between 2-5 carat weights.

Color

This uncommon gemstone take place in all shades of yellow and orange. The ordinary stone would typically consist of the pale color. Murky shades are chosen more over the lighter ones. It be obligated its color to iron impurity there in the composition. By means of the alteration in the quantity of iron the color of stone also modify. In few stones traces of brown can also be observed.


Natural Occurrence :

Brazil, France, Madagascar, Bolivia, Uruguay, Scotland, Spain and Russia, North Carolina, Colorado, Georgia, Nevada and California.


Available Colors :

yellow and orange


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