Spodumene Kunzite Hiddenite Triphane Crystal 162 Carat 47x33x15 mm

Description

Natural untreated Spodumene (Kunzite, Hiddenite, Triphane) Crystal Stone from Afghanistan   Weight: 32.4 gram = 162 carat  Dimensions: 47x33x15 mm
*** Spodumene Spodumene is a pyroxene mineral that is found, almost exclusively, in granite pegmatites. It has a chemical composition of LiAlSi2O6 but small amounts of sodium sometimes substitute for lithium. Spodumene is typically found in lithium-rich pegmatites in association with other lithium minerals such as lepidolite, eucryptite and petalite. Spodumene often occurs in extremely large crystals.
Nature & Science
Spodumene Kunzite Hiddenite Triphane Crystal 162 Carat 47x33x15 mm
Natural untreated Spodumene (Kunzite, Hiddenite, Triphane) Crystal Stone from Afghanistan
Weight: 32.4 gram = 162 carat
Dimensions: 47x33x15 mm
***
Spodumene
Spodumene is a pyroxene mineral that is found, almost exclusively, in granite pegmatites. It has a chemical composition of LiAlSi2O6 but small amounts of sodium sometimes substitute for lithium. Spodumene is typically found in lithium-rich pegmatites in association with other lithium minerals such as lepidolite, eucryptite and petalite.
Spodumene often occurs in extremely large crystals.
Physical Properties of Spodumene
Chemical Classification
silicate
Color
White, gray, yellow, green, blue, lilac, pink, brown. Sometimes pleochroic
Streak
White, colorless.
Luster
Vitreous, pearly.
Diaphaneity
transparent to translucent
Cleavage
perfect in two directions with parting
Mohs Hardness
6.5 to 7
Specific Gravity
3.1 to 3.3
Diagnostic Properties
Prismatic crystals with strong striations parallel to their principal axis. Perfect cleavage.
Chemical Composition
LiAl(SiO3)2
Crystal System
monoclinic (low temperature) tetragonal (high temperature)
Spodumene sometimes occurs in transparent crystals in pastel shades of pink, green and yellow. These have been cut into gemstones that are prized by collectors. However, their use in jewelry is limited to pieces that will be subject to limited abuse because of spodumene's perfect cleavage.
Translucent to transparent spodumene with an attractive pink, yellow or green color is sometimes faceted, cut en cabochon or used to make tumbled stones. Its perfect cleavage limits its use to jewelry that will not be subject to rough wear or handling. Spodumene is primarily a "collector's gemstone."
Source localities include Afghanistan, Australia, Brazil, Madagascar, Pakistan, Canada and USA.
Kunzite
Pink to lilac specimens of gem-quality spodumene are highly prized and known as "kunzite". The color of these specimens is attributed to the presence of manganese as a chromophore. Kunzite is the most commonly encountered spodumene gem.
Hiddenite
Emerald green spodumene is known as "Hiddenite." Its vivid green color is very similar to emerald and is attributed to the presence of chromium as a chromophore. It is the rarest gem variety of spodumene.
Triphane
Yellow and clear specimens of spodumene are known as "Triphane". They have also been cut into gems.
Item Specifics
Shape
Rough
Country of Origin
Afghanistan
Modified Item
No
Country/Region of Manufacture
Afghanistan
Natural/Lab-Created
Natural
Depth
15
Length
68
Width
34
Cut Grade
Very Good
Transparency
Translucent
Treatment
None (No Enhancement)
Brand
Unbranded
Total Carat Weight (TCW)
297.5
Lot
No
Gemstone
Kunzite
Payment
Payment: By Paypal
Shipping cost
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Return policy
Returns: We accept returns with any reason in 30 days.
Messages
We will answer buyer messages within 24 hours during working days.
Nature & Science
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Custom Item
Spodumene Kunzite Hiddenite Triphane Crystal 162 Carat 47x33x15 mm
Natural untreated Spodumene (Kunzite, Hiddenite, Triphane) Crystal Stone from Afghanistan
Weight: 32.4 gram = 162 carat
Dimensions: 47x33x15 mm
***
Spodumene
Spodumene is a pyroxene mineral that is found, almost exclusively, in granite pegmatites. It has a chemical composition of LiAlSi2O6 but small amounts of sodium sometimes substitute for lithium. Spodumene is typically found in lithium-rich pegmatites in association with other lithium minerals such as lepidolite, eucryptite and petalite.
Spodumene often occurs in extremely large crystals.
Physical Properties of Spodumene
Chemical Classification
silicate
Color
White, gray, yellow, green, blue, lilac, pink, brown. Sometimes pleochroic
Streak
White, colorless.
Luster
Vitreous, pearly.
Diaphaneity
transparent to translucent
Cleavage
perfect in two directions with parting
Mohs Hardness
6.5 to 7
Specific Gravity
3.1 to 3.3
Diagnostic Properties
Prismatic crystals with strong striations parallel to their principal axis. Perfect cleavage.
Chemical Composition
LiAl(SiO3)2
Crystal System
monoclinic (low temperature) tetragonal (high temperature)
Spodumene sometimes occurs in transparent crystals in pastel shades of pink, green and yellow. These have been cut into gemstones that are prized by collectors. However, their use in jewelry is limited to pieces that will be subject to limited abuse because of spodumene's perfect cleavage.
Translucent to transparent spodumene with an attractive pink, yellow or green color is sometimes faceted, cut en cabochon or used to make tumbled stones. Its perfect cleavage limits its use to jewelry that will not be subject to rough wear or handling. Spodumene is primarily a "collector's gemstone."
Source localities include Afghanistan, Australia, Brazil, Madagascar, Pakistan, Canada and USA.
Kunzite
Pink to lilac specimens of gem-quality spodumene are highly prized and known as "kunzite". The color of these specimens is attributed to the presence of manganese as a chromophore. Kunzite is the most commonly encountered spodumene gem.
Hiddenite
Emerald green spodumene is known as "Hiddenite." Its vivid green color is very similar to emerald and is attributed to the presence of chromium as a chromophore. It is the rarest gem variety of spodumene.
Triphane
Yellow and clear specimens of spodumene are known as "Triphane". They have also been cut into gems.
Payment
Payment: By Paypal
Shipping cost
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Return policy
Returns: We accept returns with any reason in 30 days.
Messages
We will answer buyer messages within 24 hours during working days.
Copy rights of https://stores.ebay.com/Gao-Fu-Collectibles. All right reserved.