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Identifying Unknown Fibers in Your Stash

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yarn burn testYesterday we looked at our odd balls and organized in terms of yarn weight. Maybe you already have an idea of some yarns that you’d like to go together in a project. If so, that’s awesome!

But sometimes you need a little more information about a yarn before you dive into using it. And with unlabeled balls the thing you may still want to know is what kind of fiber you’re dealing with.

Sometimes you can tell a bit by touch — at least enough to know if something is a natural on manufactured fiber. Sometimes you can tell cotton (or at least something in the cotton/hemp/linen family) by the feel, and you can often feel something and know it’s made with at least some animal hair. stash busting

There’s no 100 percent surefire way to determine what every unlabeled yarn in your stash is, mostly because there are probably blends, and a lot of the fibers react in a similar way when you test them.

The most common test for determining what kind of fiber you’re dealing with in known as the burn test, because you set the yarn on fire and see what happens.

Of course you’ll want to do this in a safe place, away from children and animals, with a protected surface and using only a small sample of the yarn.

Set it on fire (I use a long lighter) and observe. What happens to the fiber? Does it burn or melt? Natural fibers (and rayon, since it’s made from wood) will burn, while acrylics and synthetics melt. How does it smell? Wool and the animal fibers smell like burning hair, as you might imagine, while cotton yarn and similar fibers smell like paper or leaves. The manmade fibers can smell anything from vinegar to fish to chemicals, and they usually give off black smoke and leave behind various interesting residues.

I’m not a huge expert on burn testing, so if you want to try it for yourself you’ll want to check out more detailed information at FabricLink and Fiber-Images.

If you’re still wondering what something is, or you just don’t want to go to the bother of testing, assume what you have before you is not machine washable. Or knit a swatch (which uses more yarn, yeah!) and launder it the way you might want to launder something made out of the yarn. If it felts or something else drastic happens, you’ll have learned something valuable even if you don’t know exactly what the fiber is.

Have you tried a burn test or another method to learn about a mystery fiber? I’d love to hear about it!

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Comments

  1. My mom taught me about this, but then, she’s got a degree in chemistry. Whenever I try it myself I end up getting flustered and and up not noting the crucial bits.

    It’s fascinating stuff though.

  2. I have used the cholorine bleach test on yarn. Wool or animal fibers will completely dissolve in a couple of minutes. Pour a small amount of bleach in a small glass dish and cut 2 or 3 inches of the yarn and just drop it in it the dish. If it doesn’t all dissolve, it is a blend.

Have you read?

Vintage Knitted Lace Stole Pattern PDF – A Romantic 1950s Bridal Shawl

There are some vintage knitting patterns that feel like they belong in a hat box with tissue paper, silk gloves, and a very dramatic lipstick. This Vintage Knitted Lace Stole Pattern PDF from the CraftGossipStore has exactly that sort of old-school glamour.

It is a restored vintage knitting pattern for a delicate triangular lace stole with long fringe, designed to drape softly over the shoulders. The look is very 1950s evening wrap, but it also works beautifully for modern bridal styling, boho wedding outfits, vintage-inspired photo shoots, costume wardrobes, or anyone who likes a little romantic drama in their handmade accessories.

You can find the pattern here: Vintage Knitted Lace Stole Pattern PDF from CraftGossipStore.

What I like about this pattern is that it has that lovely “special occasion” feeling without being locked into one use. Yes, it would make a beautiful handmade bridal shawl, especially in cream, ivory, soft white, champagne, or pale blush. But it could also be stunning worn over a simple black dress, used as a vintage-style evening wrap, or made as an heirloom gift for someone who loves classic lace knitting.

The finished stole measures approximately 60 inches across the top and 43 inches along each side, so it has enough width to sit nicely around the shoulders while still keeping that airy lace look. The triangular shape gives it a graceful drape, and the fringe adds movement without making the design feel too heavy.

This is a digital PDF pattern, so no finished stole will be posted out. After purchase, the file is available as an instant download through Etsy, which is always handy if you are in that dangerous “I need a new project immediately” mood. We have all been there. Usually surrounded by yarn we already own, naturally.

The pattern is best suited to confident beginners through intermediate knitters who are comfortable following row-by-row instructions and working basic lace techniques such as increasing, decreasing, slipping stitches, and keeping track of rows. Like many vintage knitting patterns, the instructions may be more concise than modern patterns, so a little patience and a good row counter will be your friend here.

The original pattern calls for fine crochet cotton or thread and No. 11 knitting needles, but as with any vintage pattern, modern substitutions may require some swatching. I know swatching is not the most thrilling part of knitting, but with lace it really does help. A small test piece will show you the fabric, drape, and openness of the stitch pattern before you commit to the full stole.

If you are knitting this for a wedding, photo shoot, formal event, or gift, I would choose the yarn carefully. A smooth cotton thread will give it that crisp vintage lace look, while a softer fine yarn could make it feel more modern and romantic. A light wool blend, silk blend, bamboo blend, or fine cotton could all give different results, so think about whether you want structure, softness, sheen, or drape.

For supplies, you’ll want suitable fine yarn or thread, knitting needles, a tapestry needle, scissors, measuring tape, and something to help track your rows. Mary Maxim is a good place to browse classic yarns and knitting supplies, while Amazon can be handy for stitch counters, blocking mats, lace blocking wires, and pattern folders if you like to keep your printable PDFs organised.

One thing I would not skip with this project is blocking. Lace rarely looks its best straight off the needles. Blocking opens up the stitch pattern, evens out the fabric, and helps the stole sit beautifully across the shoulders. If you are making this as a bridal wrap, blocking is what takes it from “I knitted a lace triangle” to “oh, this looks properly elegant.”

This pattern would be a lovely choice for knitters who enjoy vintage accessories, wedding knitting, heirloom-style projects, and lightweight wraps. It has enough detail to feel special, but the finished piece is still wearable and versatile. That is the sweet spot with vintage patterns — beautiful, but not so precious that it never leaves the wardrobe.

If you have a soft spot for romantic lace, fringe, vintage fashion, or handmade bridal accessories, this is a gorgeous little pattern to tuck into your knitting queue.