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QUARTZ RUTILE CRYSTAL

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QUARTZ RUTILE CRYSTAL

A beautiful Brazilian Quartz Rutile Crystal.  A crystal of polished Quartz with a whole other world going on inside!  Filled with layers of silvery crisscrossed Rutile needles plus other inclusions.  This piece needs to be looked at through magnification to truly appreciate it.  This is a very individual specimen for a very lucky individual.

Dimensions:
6cm x 5cm x 3cm, 136g
Location:
Minas Gerais, Brazil.

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QUARTZ RUTILE CRYSTAL
QUARTZ RUTILE CRYSTAL

A beautiful Brazilian Quartz Rutile Crystal.  A crystal of polished Quartz with a whole other world going on inside!  Filled with layers of silvery crisscrossed Rutile needles plus other inclusions.  This piece needs to be looked at through magnification to truly appreciate it.  This is a very individual specimen for a very lucky individual.

 

Dimensions:
6cm x 5cm x 3cm, 136g.
Location:
Minas Gerais, Brazil.

Quartz: SiO2

Quartz is a fascinating common mineral, found in the Earth’s crust.  If pure, quartz forms colourless, transparent hard crystals with a glass like luster.  A significant component of many igneous, metamorphic and sedimentary rocks.  Found in an abundant variety of formations and colors.
Polished Quartz was the most advanced technology thousands of years ago, used by the Assyrians.  As a lens to focus light, could help start a fire for cooking.  The Vikings could have used one of these to find the sun on a cloudy day.  As a magnifying glass the ancients could see the stars too.  Today it leads technology being the main component of transistors which make our computers work and solar panels.

The presence of trace elements gives an abundance of color range and crystal forms.  Quartz is hard 7, light 2.65 and just adorable with an amazing shine when polished.  No cleavage, characteristic conchoidal fracture and strongly piezoelectric and pyroelectric (interestingly except in Twins where the opposites cancel each other out).

Rutile: TiO2

 

Rutile; one of five forms of titanium found in nature.  Titanium is three times stronger than steel and less than half the weight.  Weighing only 42% as much as Steel, making it a stronger and lighter metal.  It is chemically inert under normal conditions, enabling its use in medical implants such as pacemakers.  This non corrosive metal is able to withstand temperature extremes up to 1800°C and has great strength.  An outstanding high tech metal with amazing properties.

Elongated, prismatic crystals, often striated and slender.  Commonly occur as inclusions in Quartz, known as “Maidens Hair” or criss – crossing at 60° Sagenite.  The Yellow, Red, Brown, Black, Golden or Silver colors are amazing.  Elbow and heart shaped (Geniculated) twins are common.

Hard 6 to 6.5, heavy, fragile and perfect cleavage.  Opaque with metallic luster.  Brown streak.  Common accessory mineral in intrusive and metamorphic rock or in Quartz veins.  Found mostly in sands as ore material for Titanium and rarely in a solid metal crystal.

SKU: MW7634 Categories: , Tags: ,
Weight140 g
Dimensions7 × 6 × 4 cm
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