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Northstar Borosilicate Coloured Rods & Frit

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Northstar #113 Lucid Transitional Slugger (546grms)

Exp. #113 Lucid is an opalescent based glass with a light lavender purple hue. It is a buttery smooth and easy to use color with little to no air with the ability to be heavily encased and still hold its saturation well. Part of our newest line of colors, “the Future Line” and made from batch in Portland, OR

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Northstar #113 Lucid Transitional Slugger (470grms)

Exp. #113 Lucid is an opalescent based glass with a light lavender purple hue. It is a buttery smooth and easy to use color with little to no air with the ability to be heavily encased and still hold its saturation well. Part of our newest line of colors, “the Future Line” and made from batch in Portland, OR

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Northstar #116 Aquamania Sluggers (372grms)

Exp. #116 Aquamania is a color based off of NS-153 Nemo with an opalescent quality. It is a vibrant aqua marine blue that is flame stable & nearly air free. The goal with this color is to minimize the livering effect caused by copper in the glass being exposed to a reducing atmosphere of a propane rich flame. It will work very similar to NS-153 Nemo with the opalescent value from NS-154 Ghost.

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Northstar Ruby Slippers Full Rod

LIGHT Exp. #155 is a transparent sparkly red named “Ruby Slippers” after the old school version Northstar made over 15 years ago! This newest formula uses a NS-88 Pomegranate base red with a TAG Stardust sparkle. With little to no air content, this glass is easy to use in all flame atmospheres. As a kiln striking red, it’s recommended to strike for 6-8 hours at 1050f. This color is a great option for overlays and color combos!

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125grms of Northstar Ruby Slippers

LIGHT Exp. #155 is a transparent sparkly red named “Ruby Slippers” after the old school version Northstar made over 15 years ago! This newest formula uses a NS-88 Pomegranate base red with a TAG Stardust sparkle. With little to no air content, this glass is easy to use in all flame atmospheres. As a kiln striking red, it’s recommended to strike for 6-8 hours at 1050f. This color is a great option for overlays and color combos!

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Northstar #96 Karma Gold Ruby 2nds Slugger (368grms)

Exp. #96 Karma is a flame striking fuchsia “gold ruby” glass produced in Sluggers bars. Karma is a buttery smooth and easy to use color with the ability to be encased and still hold its saturation well. These Slugger are transparent bars with color variation and some air content.

Sold as 2nd quality due to forming issues and surface markings.



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125grm of Northstar Exp 70 Blood Red 2nds

Experiment #70 is an effort to produce a dark cadmium blood red to pair nicely along with Northstar’s current cadmium palette. This glass presents a saturated blood red tone while retaining a smooth workability. As a cadmium glass, we recommend letting the heat sink in to prevent boiling. Perfect for stinger work, encasements, such as line tubing, cane or millefiori & much more. We encourage you as the artist to share your results as we hope to continue to produce this red. Thanks
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Nothstar Boro Midnight Full Rod

A dark opaque blue. Work in an oxidizing flame to prevent greying. Heat gently and slowly to prevent boiling. See the Heat Sensitive colour section.

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125grm of Northstar Midnight

A dark opaque blue. Work in an oxidizing flame to prevent greying. Heat gently and slowly to prevent boiling. See the Heat Sensitive colour section.


Northstar Boro Exp #23 1st Full Rod

This is a full rod measuring 6-7mm dia x 480mm -500mm long.



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Northstar Boro Exp 114 Opalescent Peach Full Rod

Exp. #114 is an opalescent peach tone with pink blush hue. Very unique opalescent shade with very limited availability due to a short campaign of production. It is a buttery smooth and easy to use colour with the ability to be encased and still hold its saturation well.  Part of our newest line of colours, “the Future Line” and made from batch in Portland, OR.
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125grm of Northstar Exp 114 Opalescent Peach

Exp. #114 is an opalescent peach tone with pink blush hue. Very unique opalescent shade with very limited availability due to a short campaign of production. It is a buttery smooth and easy to use colour with the ability to be encased and still hold its saturation well.  Part of our newest line of colours, “the Future Line” and made from batch in Portland, OR.

125grms of Northstar Boro Exp # 23 1st

This is a pack of 125grm (1/4lb) of Northstar full length Borosilicate Rods , it will depend on the dia but you will receive 3-4 full rods.

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Northstar Exp # 140 V1 Jupiter 2nds Slugger 332grms

Exp. #140 Jupiter uses a NS-154 Ghost base color with both silver and gold. This V1 version has a higher silver content with a darker strike compared to Jupiter V2. Like an Amber/Purple, there is a metallic haze that precipitates on the surface that needs to be burnt off. In result, this glass has a Exp. #110 KarmalineNS-26 Double Amber/Purple strike. It is a buttery smooth and easy to use color with the ability to be encased and still hold its saturation well.



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Northstar Exp #140 Jupiter V1 2nds Slugger 214grms

Exp. #140 Jupiter uses a NS-154 Ghost base color with both silver and gold. This V1 version has a higher silver content with a darker strike compared to Jupiter V2. Like an Amber/Purple, there is a metallic haze that precipitates on the surface that needs to be burnt off. In result, this glass has a Exp. #110 KarmalineNS-26 Double Amber/Purple strike. It is a buttery smooth and easy to use color with the ability to be encased and still hold its saturation well.

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Amber 2nds Sluggers 320grms

Exp. #142 is a transparent amber glass similar to NS-141 Maple Syrup but with a hint of NS-154 Ghost. This color is a dark brown, almost black in raw form. Once worked, it yields a smooth and clean beer bottle brown. If used in a thick application, the opalescent ghost will be more visible.




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Selection Pack of Fine Northstar Frits

A pack of 5 Northstar fine fits all in labelled 10grm packs.

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Northstar Unobtainium Full Rod

NS-104 Unobtainium is a very dense gun metal blue with lots of sparkle. It is well suited for stringer application and blown work. It is easily worked and can take a lot of heat. To keep the colour most vibrant, work in a neutral to slightly oxidizing flame. Try to avoid deep encasement, it may cause cracking. Please use NS-104 Unobtainium with care and test your application before making expensive pieces. Outside work seems to work just great with no problems. Try coating NS-104 Unobtainium with NS-86 Garnet or NS-88 Pomegranate to achieve a brilliant ruby sparkle. Any transparent colour coated over NS-104 Unobtainium looks great.
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Northstar Silver Unobtainium Odd

NS-120 Silver Unobtainium is also a dark blue sparkle that has silver in it. It is well suited for stringer application and blown work. It is easily worked and can take a lot of heat. To keep the colour most vibrant, work in a neutral to slightly oxidizing flame. Try to avoid deep encasement that may cause cracking. When worked in an oxidizing flame NS-120 Silver Unobtainium stays a dark blue colour with wispy hues of silver over it. If reduced the colour does not show much sparkle but still has many vivid colours.
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Northstar Boro Ursa Full Rod

Ursa First

NS-140 Ursa is a response to our artists who have been asking for an opaque brown. We have experimented with the alternatives to the industry standard cadmium based brown.We have formulated Ursa with a good working viscosity , as well as dense colour saturation to help the artists explore this earth tone. As with many opaque colours this glass can suffer from boiling issues if pushed too fast or hot.

Northstar Boro Turquesa Full Rod

NS-020 Dark Cobalt is the second most saturated of the four shades of cobalt blue Northstar produces. Dark Cobalt is well suited for thin blown work and cane work. Because of its intensity it must be worked in an oxidizing flame to prevent greying.

Northstar Boro Turbo Cobalt Full Rod

Turbo Cobalt First,

NS-033 Turbo Cobalt is the most intense cobalt blue in the Northstar palette. It is great for stringer application, and stretching out thin. If kept moderately thick, Turbo Cobalt is an excellent faux black. Because of its intensity, NS-033 Turbo Cobalt must be worked in a highly oxidizing flame to prevent greying. If however you are looking for a battleship grey, it can be achieved by working Turbo Cobalt in a heavily reducing flame. For a nice colour combination try layering NS-026 Double Amber/Purple over NS-033 Turbo Cobalt.

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Northstar Boro Transparent Green Full Rod

NS-024 Transparent Green is a transparent emerald green. It is intense enough for blown work and looks great in sculpture. NS-024 is sensitive to atmosphere and in order to maintain its original colour, work in an oxidizing flame. If worked in a reducing flame, NS-024 will develop brick red streaks. Try layering Transparent Green over NS-053 Forest Green or NS-027 Green Exotic for exciting effects. Refer to Northstar Newsletter issue 6 under the heading ‘The Importance of Oxidation’ for additional information.

Northstar Boro Tan Silver Creek Full Rod

Tan Silver Creek First,

NS-114 Tan Silver Creek is a yellowish cream colour. It can yield rich purplish blue and creamy tan tones. When kept in a more oxidizing environment, you will get more of the blues and purples. If reduced, a silvery haze will appear on the surface. NS-114 Tan Silver Creek is easy to work and can take a lot of heat which makes it a forgiving striking colour. It can be stretched out and is good for blown work and sculpture. If you are looking for something even more intense, try NS-44 Caramel or NS-102 Silver Bullet.

Northstar Boro Sublime Full Rod

NS-066 Sublime is a transparent iridescent signal light green. It is the most eye catching borosilicate transparent colour in the palette. Sublime is atmospherically stable meaning it can be worked in any flame without the colour being affected. It is a member of the transparent family but it is saturated enough for thin blown work. Its most exciting application is as an overlay colour. It looks amazing over NS-081 Blue Caramel