gem sinhaliteRare Gemstones for Collectors (N through Z)

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Last updated January 24, 2010                          Email to order  Steve @  Steve Perry Gems
 
Neptunite
rare neptunite gem NEP2
.90ct
6.4 x 5.7mm cushion
California
$180.
Good cut with a very good  polish, extremely dark red (appears black), two small visible fractures within the stone show tiny red flashes, indentation on one corner caused when the cutter did not fully grind out the natural edge of the rough to try to maximize the yield.  Nice rare collector's gem.   

Obsidian

OB1
6.76cts
12.9mm rose cut
Arizona

Nicely cut and polished, very dark coffee brown color, eye clean with excellent transparency. While this is a common gem material, it is a very difficult gem to cut and polish.

Orthoclase

gem yellow otrhoclase
ORTH2 7.30cts 14.6 x 8mm long emerald cut Madagascar SOLD Very well cut and polished, beautiful light lemon yellow color, eye clean with excellent transparency.  Beautiful gem with great color, choice collector's gem. 
catseye orthoclase gem
CEOR8
4.37cts 11 x 9mm oval
Tanzania SOLD Well cut, great polish, rich reddish brown color, strong pale brown eye, rare collector's gemstone!

Pezzotaite
rare pezzottaite gem
PZZ1
.16ct
3.9mm trillion
Madagascar $100. Well cut and polished, moderately included with band of silk down the center of the stone, beautiful pastel pink color, nice example of a very rare gem!
catseye pezzotaite PZZ8 .87ct 6.6 x 5.1mm oval Madagascar SOLD Well cut and polished high dome oval cabochon with rich medium color, good transparency, moderately included, nice distinct catseye!

PZZ10 .49ct 5.2 x 4.1mm oval Madagascar $180. Well cut and polished high dome oval cabochon with nice medium color, moderately included, nice distinct catseye!
PZZ12 1.48cts 8.3 x 6.1mm oval Madagascar $400. Well cut and polished, cut slightly deep to capture more of the purplish pink pleochroism, moderately included with very good transparency, very nice pendent gemstone.  Much prettier than photo!

Pollucite

PLL7 4.08cts
11.1mm trillion Afghanistan $500. Excellent cut and polish, colorless, very slight visible inclusions, beautiful example of a very rare gem.
SCB85 2.17cts 8.5 x 6.1mm emerald cut Maine $260. Reserved  Excellent cut and polish, extremely pale pinkish color, slight visible inclusions on edge, beautiful example of a rare gem from a classic locality.

Powellite
rare fine color cuprian powellite
CPW3
1.93cts
7.2mm round
Chile
$770.
Well cut and polished with good transparency that does not show in photo, rich apple green color without any olive tone.  Very rare gem from a one time find decades ago in Chile.

Prehnite
SCB92 7.66cts 11.3 x 10.3mm emerald cut Australia SOLD Very well cut and polished, very rich canary yellow with a nice silkiness

PRH12
5.65cts
12.2 x 10.2mm oval
Australia
$110.
Very well cut and polished, very rich canary yellow with a nice silkiness

Pyrargyrite
rare pyrargyrite gem
PYRG1
.63ct
4.3mm round
Mexico
SOLD Well cut and polished, translucent dark metallic red-black appears opaque with backlight, hard to cut very soft gemstone, nice addition to a rare gem collection!

Pyrite

faceted pyrite gemstone
PYR18 .18ct 3.7 x 3.1mm emerald cut Peru
SOLD Good cut and polish, pale brassy color, opaque, metallic,  minor surface reaching fractures that are much more difficult to see in person, difficult to cut.

Rhodocrosite

gem rhodocrosite
RHC1 .40ct 4.5mm round
South Africa
SOLD Well cut and polished, beautiful rich medium orange, eye clean, hard to find pretty gem in this rare material!
top gem African rhodocrosite
RHC2
1.35cts
6.8mm round
South Africa
SOLD
Very well cut and polished, beautiful rich medium-dark orange, eye clean, hard to find pretty gem in this rare material!

Rhodonite

gem rhodonite cabochon
RHN11
5.05cts
16.8 x 6.9mm long drop
Brazil $250.
Nicely cut and polished high dome cabochon, rich medium red color, translucent throughout. Cleavage plane in middle of stone, while not very obvious would make this gem a little risky to set.  Weak catseye. 
gem rhodonite
RHN12
4.52cts
12.2 x 7.7mm emerald cut
Brazil SOLD Nicely cut and polished, intense medium red color, translucent throughout, minor cleavage planes on one end, lightly included throughout with curved silver rutile? crystals.  Beautiful gem rhodonite !

Sapphirine
rare gem sapphirine
SPH20 .20ct 3.7mm round
Sri Lanka $50. Very well cut and polished, beautiful dark medium greenish  blue, eye clean, hard to find pretty gem in this rare material!

Scapolite
gem scapolite SCP23 2.55cts 9 x 8.4mm concave cut oval Tajikistan SOLD Great cut and polish by Kevin Scott, nice medium lavender color, eye clean with excellent transparency.  Natural color.
beautiful catseye scapolite
CES9 2.97cts 10.1 x 8.1mm oval Tanzania SOLD Very well cut, great polish, nice medium coffee brown color,  intense strong white eye, very rare collector's gemstone!
beautiful catseye scapolite
CES10 2.94cts 10.1 x 8.2mm oval Tanzania $100. Very well cut, great polish, rich reddish brown color, strong white eye, very rare collector's gemstone!

Scheelite
gem scheelite from Mexico
SCH2
.79ct
4.8mm trillion
Mexico
$60.
Well cut and polished, rich golden color with great sparkle, lightly included  with excellent transparency.  Old material from Sonora, Mexico

Scolecite
SCB93 1.70cts 19.5 x 5mm long rectangle India SOLD  Nicely cut and polished, beautiful colorless gem with good brilliance, very slight inclusions, nice larger size for a gem scolecite, very rare collector's gemstone!

Sillimanite ( variety Fibrolite )   
use this link for: catseye gem sillimanite
SCB115 6.32cts 12.1 x 9.7mm oval Sri Lanka SOLD Excellent cut and polish, beautiful colorless gem with excellent brilliance, very slight inclusion, nice larger size  for a gem fibrolite
FSLM5 3.28cts 9.3 x 9.1mm round India SOLD Nicely cut and polished with a slight window, very pale purplish grey color with excellent brilliance, eye clean 

Sinhalite
gem sinhalite SNHL14 2.75cts 8.4mm trillion
Sri Lanka SOLD Very well cut and polished, eye clean gem with excellent transparency, medium yellow green gem, rare seen color for this rare gem!
gem sinhalite
SNHL18 1.21cts
7.5 x 5.8mm oval
Sri Lanka SOLD Well cut and polished, eye clean gem with excellent transparency, dark golden yellow gem.

Chrome Sphene (Titanite)

CRSP1 .07 ct t.w.
1.7mm round brilliants (3 stones)
Russia $70.
Very well cut and polished tiny gems, great medium lime green color, super brilliance and dispersion, eye clean.  Beautiful little accent gems!

Sphene (Titanite)
large golden sphene gemstone
SPM17
6.51cts
12.3 x 8.5mm rectangle
Madagascar $480.
Nice step cut rectangle, very bright gem, rich golden yellow color, great dispersion, eye clean
beautiful gem sphene
SPM11
2.92cts
9.7 x 7.7mm oval
Madagascar $190.
Excellent cut, super bright gem, rich dark honey color, great dispersion, eye clean
beautiful gem sphene
SPM12
3.44cts
11 x 8.2mm oval
Madagascar $310.
Excellent cut, super bright gem, rich dark honey color, great dispersion, eye clean

Taaffeite
Rare gem Taaffeite TFF5 .71ct 5.3mm round
Sri Lanka $880. Very well cut and polished, beautiful medium lavender color, very good transparency with moderate crystal inclusions, shows very nicely in person, excellent example of a very rare collector's gemstone. 

TFF7
2.17cts
9.5 x 6.8mm oval
Sri Lanka $2,000.
Well cut and polished, beautiful dark lavender color, very good transparency with some small crystal inclusions, shows very nicely in person, excellent example of a very rare collector's gemstone.
very rare gem taaffeite
TFF6
1.22cts
7 x 5.8mm oval
Sri Lanka
$1,040.
Very well cut and polished, beautiful purplish pink color, very good transparency with moderate inclusions on ends, shows very nicely in person, excellent example of a very rare collector's gemstone. 

Thaumasite
SCB39 .58ct 6.8 x 4.8mm emerald cut South Africa SOLD Well cut and polished, very slightly included, bright with a slightly satiny appearance, colorless to slight white sheen like a moonstone, very rare collector's stone.

Triphylite
color change triphylite gemcolor change triphylite gem in daylight
TPH12 1.79cts
8.5 x 6.8mm emerald cut
Brazil $100. Reserved  Well cut and polished, nice medium brown color, eye clean, excellent transparency, small inclusion in one corner.  Good color change from dark forest green in daylight to coffee brown in incandescent light.

Vayrenenite

vayrenenite













very rare gem vayrenenite
VYN2
.18ct
3.9 x 3mm  emerald cut
Pakistan SOLD Very well cut and polished gem, excellent transparency with moderate inclusions,  nice bright gem with beautiful orangey pink color.  Very rare collector's gemstone!

Vesuvianite

VSVC1
.19ct
3.8 x 2.8mm oval Canada
$70.
Very well cut and polished gem, eye clean with excellent transparency,  very bright gem with beautiful lemon yellow color.  Rare collector's gemstone!

Zincite
rare natural zincite gemstone
ZNC5
1.34cts
6.8 x 5mm oval
New Jersey $300.
Fair cut and polish, moderately included, very dark reddish brown color with some translucency, very rare collector's stone.


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