This 10 gross package of 7ss (2.1mm-2.3mm) Swarovski® 2058 Xilion Rose flatback rhinestones in Crystal AB are extra-small, glue-on stones finished with an aurora borealis (AB) coating over a clear Crystal base. The AB finish throws a shifting rainbow shimmer that adds color play without competing with your design. With no heat-activated backing, these flatbacks are set with a fabric or craft glue and a pickup tool for precise, controlled placement on costumes, accessories, and performance pieces.
Best for: fine detail work, precision accents, intricate outlines, and micro embellishment on dance costumes, skating dresses, pageant pieces, cheer accessories, and western wear.
Why You'll Love Them
- Color: Crystal AB, clear with a luminous rainbow AB finish that shifts under light and movement.
- Size: 7ss (2.1mm-2.3mm), extra small. Sits right between 6ss and 8ss, giving you a slightly larger stone for fine work without jumping to a noticeably bigger footprint.
- Flatback application: no heat needed. Set with a fabric or craft glue and a pickup tool for full control over every stone.
- Sold in bulk: 10 gross (1,440 pieces) per order, enough for detailed embellishment across multiple designs.
- Genuine Swarovski® Xilion Rose cut for consistent size, shape, and sparkle even at this tiny scale.
What Is AB?
AB stands for aurora borealis, an iridescent coating applied over the Crystal base that reflects a shifting rainbow spectrum. Standard colored rhinestones use colored crystal raw material; Crystal AB starts with a clear stone and adds the AB coating on top for extra dimension. The result is bright sparkle with rainbow color play that works with any palette and reads well under stage and event lighting.
Size Reference
7ss rhinestones measure approximately 2.1mm to 2.3mm. This extra-small size sits between 6ss and 8ss, offering a slight step up in visibility while still fitting comfortably into fine detail work: tight outlines, precision accents, and intricate patterns where mid-sized stones would overpower the design. To compare sizes, see our rhinestone size chart with ss, mm, and inches.
Please plan ahead: Rhinestones Unlimited and Swarovski® offer minimal inventory in the U.S. Please plan for 2-3 weeks before we ship if ordering more than 1-2 packages.
If the brand name is not important to you, check out MAXIMA Crystals by Preciosa® for a comparable, and often considered arguably more brilliant, crystal that is in stock and ready to ship. See our full Swarovski vs. MAXIMA comparison.
Sold In
- 10 gross (1,440 pieces)
Full Crystal Size Reference Guide
| Stone Size (ss) | Size (mm) | Common Name | Best Use |
|---|---|---|---|
| 6ss | 1.9mm-2.1mm | Extra Small | Detailed transfer work, fine lines and serifs |
| 7ss | 2.1mm-2.3mm | Extra Small | Detailed transfer work, fine lines |
| 8ss | 2.3mm-2.5mm | Extra Small | Small lettering, fine transfer detail |
| 10ss | 2.7mm-2.9mm | Small | Outlines, fine accents |
| 12ss | 3.0mm-3.2mm | Small | Outlines, accents |
| 16ss | 3.8mm-4.0mm | Mid-Sized | General coverage |
| 20ss | 4.6mm-4.8mm | Most Popular | Dance and costume use |
| 30ss | 6.32mm-6.5mm | Large | Bold accents |
| 34ss | 7.06mm-7.27mm | Extra Large | Statement pieces |
| 40ss | 8.41mm-8.67mm | Oversized | Maximum sparkle and drama |
| 48ss | 10.91mm-11.30mm | Oversized | Maximum sparkle and drama |
FAQ
What is 7ss in millimeters?
7ss rhinestones measure approximately 2.1mm to 2.3mm.
What color is Crystal AB in rhinestones?
Crystal AB is a clear stone finished with an aurora borealis coating that throws a shifting rainbow shimmer as it catches light. It is different from plain Crystal, which has no coating and appears completely clear and colorless.
What is the difference between hotfix and non-hotfix (flatback) rhinestones?
Flatback rhinestones have no adhesive on the back; you set them with a fabric or craft glue and a pickup tool. Hotfix rhinestones have a heat-activated adhesive already applied, set with an iron or a BeJeweler® applicator. Flatback is the better choice for delicate or heat-sensitive materials, non-fabric surfaces, and pieces where you want precise, controlled placement.
What glue should I use for flatback rhinestones?
Gem-Tac works well for most fabrics, and E6000 is a strong option for trickier materials like synthetic suede and velvet. Always test on a scrap first to check adhesion and dry time.
Browse our full Swarovski crystal collection for more colors and sizes, or see MAXIMA Crystals by Preciosa for a comparable crystal that ships from stock.
