A single Rudraksha is examined under magnification, X-rayed, weighed and measured. A mala is 108 of them (plus a guru bead), strung, and usually of small Indonesian beads. Testing each one to the same standard is possible but slow and expensive, and for most malas it is not what the buyer needs. What the buyer needs to know is whether the mala is Rudraksha at all, whether the beads are what they are claimed to be, and whether the mala is sound.
What is claimed about a mala
Most malas are sold as five-mukhi, in a stated bead size (commonly 5–10 mm), of stated origin (usually Indonesian; Himalayan malas of small beads exist and cost more). Specialty malas — all seven-mukhi, mixed counts, larger beads — carry higher claims and deserve closer testing.
How the laboratory tests a mala
Whole-mala examination. The mala is weighed complete, the bead count confirmed, and the string, knots and guru bead noted. Bead size is measured on a sample and compared with the stated size.
Visual sweep of every bead. Under low magnification each bead is inspected in turn for surface texture, obvious carving, joins, non-Rudraksha material, damage and mismatches in colour or size. This is quick and catches gross substitution — a mala with a handful of wooden or resin beads mixed in, or beads of two different origins.
Sample X-ray. A group of beads, still strung, is radiographed together. Small beads lie flat on the plate, and a single exposure can image a dozen or more. The compartment count of each imaged bead is read. For a five-mukhi mala, every imaged bead should show five chambers.
Extended X-ray on request. Where the claim is unusual — an all-seven-mukhi mala, mixed counts, large Himalayan beads — or the buyer wants it, every bead can be imaged in groups, and the count of each recorded.
What sampling establishes
If a random sample of beads all show the claimed count and natural surfaces, and the visual sweep finds no anomalies, it is reasonable to conclude that the mala is what it is claimed to be. Substituting a few carved or false beads into a mala of 108 is not economic — the fraud in malas is almost always wholesale (the whole mala is wood, or the whole mala is a lower count than claimed) rather than partial.
What sampling does not establish is that every bead is exactly as claimed. A mala report should say which beads were X-rayed and how many, so that the buyer knows the basis of the finding.
The guru bead
The larger bead at the end of the mala is often of a different, higher mukhi count and may be a Himalayan bead on an Indonesian mala. It is examined and X-rayed individually, and its findings are stated separately.
What a mala report looks like
Total weight, bead count, bead size range, material identification (Rudraksha, with origin opinion), the mukhi count found, the number of beads X-rayed and their compartment counts, findings on the guru bead, and notes on condition — cracked beads, mismatched beads, string condition. A photograph of the whole mala and, where useful, of the X-ray plate.
Frequently asked questions
Can a whole mala be X-rayed?
Yes. Small beads image well in groups, and a complete mala can be radiographed in a handful of exposures. Whether every bead is imaged depends on the claim and the buyer's wishes; a report should state what was done.
Do I need to unstring the mala for testing?
Usually not. The examination and X-ray are done on the strung mala. If beads need to be handled individually the laboratory will say so.
Are Indonesian malas genuine?
Yes. The great majority of small-bead malas are Indonesian Elaeocarpus stones and are genuine Rudraksha. The claim to check is size, count and — if it is made — Himalayan origin.
Can a mala mix real and fake beads?
It can, but it is rare, because the labour of mixing a few false beads into a mala of genuine ones exceeds the gain. Wholesale substitution is the usual pattern and is easily caught.
Does testing damage the mala?
No. Magnification and X-ray do not touch the beads, and the string is not cut.