Stasa Banjanin is a 7th grade student in Smederevo, Serbia who chose to do a school project on rock crystals. Rock crystals are the most powerful healing stone for all purposes. They are composed of silicon dioxide, have a Mohs hardness of 7, and can be found colorless or milky white around the world in locations like Madagascar, Brazil, and parts of Europe and Asia. Rock crystals are one of the most common minerals on Earth.
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I am crystal of energy
1. Stasa Banjanin 7/1
My name is Stasa Banjanin. I am a
student of 7th grade of elementary
school ,, Branko Radievi in
Smederevo, in Serbia. Many liked
this project about crystals and I am
glad to participate. For this project
I chose the Rock Crystal.
I like the rock crystal becouse I'm very
positive, sincere and sociable person
Rock crystal is the most powerful
healing stone for all purposes.
2. Title: Rock crystal, Quartz (Eng: Quartz)
Category: semiprecious stone, quartz
Formula: SiO2 (silicon dioxide)
Mohs scale of mineral hardness: 7
Specific gravity: 2.53 - 2.69 g / cm続
Melting temperature: 1670 属 C
Refractive index: 1552-1554
Rock crystal is transparent, glassy
shine. The color is from colorless to
milky white. His sites around the world,
Madagascar, Brazil, USA, Mexico, are
the Alps, India, Australia, Russia,
Czech Republic and Hungary. Rock
crystal is one of the most common
minerals on our planet. Is known as
quartz, rocky quartz, quartz crystal,
colorless quartz.