Inclusions are always a
piece of art from nature and fascinate us. Let's see how they form and how you should
differentiate them from synthetics ones.
Medium
Post difficulty
5 min
Post Length
Gemology
Gem-related Field
Spinel
Inclusions in Spinel
Inclusions are always a piece of art from
nature and fascinate us. Nowadays, gemologists use increasingly more sophisticated methods
to describe the gifts of nature that they are so fortunate to work on.
Now, when
we talk about inclusions in spinels, the first thing that you should look for is octahedral
crystals, as primary cavities, especially from crystals from Myanmar and Sri Lanka. These
crystals appear like tiny bipyramid shapes within the spinel and reflect the external form
of the spinel crystals. Sri Lankan (Ceylon) spinel contains zircon haloes, cracks caused by
unequal thermal stress in host stone.
Details of this stone (SOLD) Stone type: Spinel
Certified: No Color: Purplish
Origin: Sri Lanka Treatment: None
Shape & Cut: Cushion Weight (cts):
3.71 Dimensions (mm): 9.13x8.6x6 Single/pair:
Single
THE QUESTION
Why Such Stones?
In comparison to their corundum cousins,
while established, fluid inclusions in the spinel are comparatively uncommon. Sometimes,
other solid inclusions are seen in spinels: such as apatite prisms, calcite or dolomite,
sphene, quartz, olivine, spinel (a spinel inside a spinel! Yes it's possible!), and limonite
crystals.
Jay Spinel
3.71 cts (SOLD)
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