How much does Actinolite cost?

Actinolite is a member of the amphibole mineral group that forms during metamorphism of mafic (magnesium and iron-rich) rocks at moderate temperatures and pressures. It's a key indicator mineral of the greenschist metamorphic facies, representing conditions of approximately 300-500°C.

The mineral forms a solid solution series with tremolite (the magnesium-rich end member). When actinolite grows as densely interlocking microscopic fibers, the result is nephrite jade, one of the toughest natural materials. In other habits, it forms elongated prismatic crystals, sometimes radiating sprays, and occasionally fibrous aggregates.

The name comes from the Greek 'aktinos' (ray) and 'lithos' (stone), referring to its common radiating crystal habit. Note: fibrous actinolite is a form of asbestos (actinolite asbestos) and should not be disturbed in its fibrous form. Crystal specimens are safe to handle normally.

Identification Guide

Actinolite is identified by its dark green color, elongated prismatic to bladed crystal habit, two cleavage directions at approximately 56 and 124 degrees (characteristic of amphiboles), and association with metamorphic rocks.

Distinguish from epidote (pistachio green, different cleavage angle), hornblende (darker, different composition), and chrome diopside (single good cleavage, pyroxene). The double cleavage at approximately 56/124 degrees is the most reliable amphibole identifier.

Spotting Fakes

Actinolite crystal specimens are not commonly faked. The main issues are: (1) confusion with other green amphiboles or pyroxenes, and (2) marketing fibrous actinolite as a metaphysical stone when it should be handled carefully. Nephrite jade (which is fibrous actinolite-tremolite) is frequently faked with serpentine or dyed quartzite, but this is addressed under the nephrite entry.

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Verify Actinolite Before You Buy

Affiliate picks

Actinolite gets imitated with glass, dyed stand-ins, and cheaper lookalikes. These four tools run the checks in the Spotting Fakes section above, so you can tell real from fake before you pay - online, at a show, or in a shop.

10x triplet jeweler's loupe$20-40
The first tool worth owning. Round gas bubbles (glass), dye pooled in cracks (dyed howlite, magnesite, agate), and flow lines are invisible to the naked eye and obvious at 10x. A triplet lens keeps the edges sharp.
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Mohs hardness pick set~$40
Calibrated picks settle the cheap swaps in seconds - howlite (3.5) sold as turquoise (5-6), glass (5.5) sold as quartz (7). Faster and more accurate than the fingernail-and-knife method.
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0.01g digital pocket scale~$15
Density catches what the eye misses. A glass 'quartz' weighs suspiciously light; lead-loaded plastic 'lapis' weighs suspiciously heavy. Weigh, compare to the known density, and flag the mismatch before the money leaves your hand.
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365nm UV flashlight$20-30
Many stones have a distinctive fluorescence (hyalite opal, fluorite, ruby, scheelite). A longwave UV light is the fastest tiebreaker when a piece passes the other tests but still looks off.
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Cultural & Metaphysical Traditions

Presented as cultural traditions, not scientific evidence

Actinolite is considered a shield stone in crystal healing, associated with protecting the energy body and maintaining healthy boundaries. Its status as the raw material of nephrite jade connects it to jade's long tradition of wisdom and moral virtue. Practitioners use it for aligning actions with values and building resilience. NOTE: Avoid fibrous specimens for handling. Crystal specimens are safe.

Metaphysical and “healing” associations are cultural traditions, not medical advice or scientific fact. Crystals are not a substitute for professional medical care.

ChakraHeart ZodiacScorpio ElementEarth ElementWater

Where It's Found

Austria - Tyrol (Knappenwand)

Classic locality for crystal specimens

Canada - British Columbia

Nephrite jade deposits (fibrous actinolite)

Taiwan - Hualien County

Nephrite jade from actinolite-tremolite

Madagascar - Various

Crystal specimens and cat's eye material

Price Guide

Entry$10-40 crystal specimens

Mid-Range$30-150 fine crystal groups

Collector$50-300 cat's eye cabochons

Good to Know

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Scratch test: At hardness 5.5, Actinolite resists scratching from a knife but can be scratched by quartz. Best for pendants and earrings rather than rings.

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Global supply: Found in 4 notable locations worldwide, from Austria to Madagascar.

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Heft test: Actinolite has average mineral density (3.00-3.44). It feels about as heavy as you'd expect from a stone its size.

Care & Safety

What actinolite can and cannot tolerate, based on its hardness (Mohs 5.5) and chemistry (Ca₂(Mg,Fe²⁺)₅Si₈O₂₂(OH)₂).

Can Actinolite go in water?

Yes. Actinolite is not water-soluble and durable enough (Mohs 5.5), so plain water is fine for rinsing and cleaning with mild soap. Avoid prolonged soaking, which serves no purpose, and dry the stone afterward.

Can Actinolite go in salt water?

Not recommended, even though actinolite itself is hard and not water-soluble. Salt is corrosive and mildly abrasive: it can dull a polished surface, attack metal settings, and crystallize inside small fractures as the stone dries. Actinolite's iron content also makes rust staining likely if salt residue sits on the surface. A brief dip will not destroy actinolite, but rinse it with fresh water afterward and dry it. For routine cleaning, plain water is the safer choice.

Water safety for every stone →Full crystal care guide →