Blood Vial Necklace
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Understanding Blood Vial Necklaces Before You Buy
Blood vial necklaces carry deep personal meaning for the people who wear them. Whether used as a romantic gesture between partners, a memorial keepsake for cremation ashes, or simply as an aesthetic choice, these pieces serve a purpose that goes beyond decoration. Prices range from $12 to $35 AUD, and the construction quality directly affects how well the vial protects its contents over time.
The concept is straightforward: a small glass or crystal tube, sealed with a screw cap, hanging from a chain. What varies enormously between products is the seal quality, the glass thickness, and the chain durability. A poorly made blood vial necklace that leaks or breaks defeats the entire purpose of wearing one.
Vial Construction and Seal Quality
Glass vials come in two main types: borosilicate glass (the same material used in lab equipment) and standard soda-lime glass. Borosilicate is significantly more resistant to thermal shock and impact — it’s the better choice if you plan to wear the necklace daily. Soda-lime glass is cheaper but more prone to cracking from temperature changes or accidental knocks.
The seal is critical. Screw-top vials with rubber O-ring gaskets provide the best protection against leaks. Friction-fit stoppers (rubber or cork plugs pushed in) work initially but can loosen over time, especially when body heat expands the materials. For anything you genuinely want to preserve inside the vial, a screw-top with a gasket is non-negotiable.
Some people add a drop of clear epoxy around the seal after filling the vial for permanent closure. This prevents accidental opening but makes the vial impossible to refill or clean.
What Goes in a Blood Vial Necklace
Despite the name, blood vial necklaces serve multiple purposes. Memorial pieces hold small amounts of cremation ashes. Romantic versions contain a few drops of blood mixed with an anticoagulant (typically a drop of EDTA solution, available from pharmacies) to prevent clotting. Some people fill them with perfume, essential oils, sand from meaningful beaches, or simply leave them empty as a gothic accessory.
If you’re using the vial for blood, the anticoagulant step is essential — without it, the blood darkens and clots within hours, losing its liquid appearance. A single drop of anticoagulant per millilitre of blood keeps the contents liquid for months.
Choosing the Chain and Pendant Style
Stainless steel chains are the standard for blood vial necklaces, and they’re the right choice. The vial adds weight that delicate chains can’t handle long-term, and stainless steel resists the moisture and body oils that degrade other materials. Look for ball chains or cable chains in at least 2mm thickness — thinner chains wear through at the connection point surprisingly quickly.
Heart-shaped vials, cylindrical vials, and teardrop shapes each offer a different look. Cylindrical vials hold the most volume and are easiest to fill. Heart shapes are popular for romantic gestures. Teardrop designs suit memorial use and look elegant with darker clothing.
Wearing and Caring for the Piece
A blood vial necklace sits best at mid-chest length — around 50cm to 55cm. This keeps the vial under most necklines for discretion while allowing you to display it over casual clothing when you choose.
Avoid exposing the vial to prolonged direct sunlight. UV light degrades biological contents and can cause discolouration over months. Keep the necklace under clothing when outdoors for extended periods, or choose a vial with tinted glass if you prefer wearing it visibly.
Clean the chain regularly, but avoid getting cleaning products near the vial seal. Chemicals can deteriorate rubber gaskets. Wipe the vial itself with a dry cloth only.
How do you fill a blood vial necklace?
Unscrew the vial cap, use a dropper or syringe to add contents, then seal firmly. For blood, add a drop of anticoagulant (EDTA) per millilitre to prevent clotting. Apply clear epoxy around the seal for a permanent closure if desired.
Is it safe to wear a blood vial necklace?
When properly sealed, there’s no health risk from wearing one. The contents are enclosed in glass with a tight seal, so there’s no contact with your skin. Choose a vial with a screw-top and rubber gasket for the most secure closure.
How long does blood last in a vial necklace?
With an anticoagulant added, blood maintains its liquid appearance for several months. Over time it will darken naturally. Without an anticoagulant, blood clots and turns brown within hours. Keeping the vial out of direct sunlight slows degradation.
Can a blood vial necklace be used for cremation ashes?
Yes, many people use vial necklaces as cremation keepsakes. Cylindrical vials hold the most ash. Use a small funnel or folded paper to guide the ashes in, then seal securely. Some designs are specifically marketed as urn necklaces for this purpose.
What’s the best blood vial necklace material?
Borosilicate glass vials on stainless steel chains offer the best combination of durability and content protection. Borosilicate glass resists thermal shock and impacts better than standard glass, and stainless steel chains handle daily wear without corroding.