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Congo copper carbonate sawn, turned and polished into spheres, eggs, stalactite slices, bowls and solid animal figures.

Buy Polished Malachite: Kolwezi Banding, Stalactite Bullseyes, Spheres and Carved Animals Priced by Weight

Polished malachite is copper carbonate hydroxide, Cu2(CO3)(OH)2, cut from the botryoidal and stalactitic masses that form in the oxidised zone above copper ore and then finished to a mirror so the concentric banding reads clearly across the surface. Astro Gallery of Gems buys this material in the Katanga copper belt while it is still rough, commissions the sawing, turning and polishing, weighs every finished object in grams or pounds, and photographs it alone, so each of the 50 spheres, eggs, slices, bowls and carved figures here shows a figure that no other piece repeats.

Botryoidal Mass or Stalactite Section: Two Ways the Figure Arrives

Malachite grows in two habits that a cutter handles completely differently, and the habit decides what the polished surface will look like long before any wheel touches the stone. Recognising which one a photograph shows is the fastest way to read a listing, because the two patterns come from different growth histories.

Botryoidal mass, worked as a solid formMalachite deposited in rounded, grape like bunches builds concentric layers of light and dark green. Sawn across those layers it yields the ribbon banding on spheres, eggs, freeforms and bowls, and because the mass is solid a cutter can take an object of almost any thickness out of it.
Stalactite, worked as a cross sectionA malachite stalactite grows outward from a central tube, so a slice cut across it produces a bullseye of rings radiating from a dark core. Astro Gallery has these sawn thin to keep the eye intact, which is why the stalactite pieces here run from 152 grams up to around five pounds.

Where This Malachite Comes Out of the Ground

Almost every polished piece on this page originates in one African copper province, and the minerals travelling alongside it identify which part. Astro Gallery buys direct from that pipeline and records the association on the listing, because a green face carrying blue or turquoise is worth more than plain green.

Kolwezi and the Katanga copper beltThe Lualaba and Haut Katanga provinces of the Democratic Republic of Congo, formerly Shaba, supply the banded malachite that dominates this collection. Kolwezi material carries the tightest and most regular concentric rings, which is why the trade treats it as the reference standard for polished work.
Malachite with chrysocollaChrysocolla, a hydrated copper silicate, deposits alongside malachite and lays a turquoise blue field against the green. The 5.2 pound stalactite slice in this collection carries both minerals across one polished face, and that combination cannot be reproduced by any two pieces.
Malachite with azuriteAzurite is the blue copper carbonate that alters into malachite over geological time, so the two grow together and the freeforms at 9.5 and 10 pounds show deep blue pockets inside the green. Azurite is softer, more fragile and takes a slightly lower polish than the green around it.
Cuprite and copper matrix piecesSome Katanga material carries red cuprite or native copper behind the banding. Astro Gallery keeps those associations intact instead of cutting them away, because a documented copper suite reads as a mineral specimen as well as a decorative object.

Weight Tiers From Pocket Carving to Statement Sphere

Weight decides more about a malachite purchase than form does. Specific gravity sits near 3.8, close to twice that of quartz, so a piece that looks modest in a photograph lands in the hand considerably heavier than a buyer expects.

Weight tierWhat sits in it and where it goes
Pocket carvings, 145 to 360 gramsOwls, panthers, hippos and fish worked at palm size, the tier carrying most of the gift buying and the easiest to post abroad.
Eggs and small spheres, 300 grams to 2 poundsTurned on a sphere machine or an egg lathe so the banding wraps continuously, then displayed in a ring stand where the figure reads from every angle.
Stalactite slices, 152 grams to 5.2 poundsThin cross sections showing the bullseye, stood upright in a stand or laid flat, and the only form here whose pattern is naturally symmetrical.
Carved animals and bowls, 2.9 to 8.2 poundsElephants, lions, hippos and a rearing horse cut from single solid blocks, plus turned bowls, all wanting a shelf that carries concentrated weight.
Statement spheres and obelisks, 16 pounds and upThe largest pieces, taken from blocks big enough to hold uninterrupted banding across a curved face, which places them at the top of the range.

Live Prices Against Stated Weights

Every row below is one object photographed exactly as it will arrive, with the price drawn live from the catalogue. Astro Gallery prices malachite on weight, banding quality and figure rather than by category, so two spheres of similar size carry different figures.

PieceDetailPrice
Genuine Polished Malachite Frog Carving (1 lb) 1 lb $ 240.00
Genuine Polished Malachite Turtle Carving (335 grams) 335 grams $ 190.00
Genuine Polished Large Malachite Sphere (16.5 lbs) 16.5 lbs $ 4,200.00
Genuine Polished Large Malachite Sphere (16.8 lbs) 16.8 lbs $ 4,500.00
Genuine Polished Malachite Horse Carving (8.2 lbs) 8.2 lbs $ 2,500.00
Genuine Polished Malachite Hippo Carving (4.1 lbs) 4.1 lbs $ 1,050.00
Weight, locality and association on every listingAstro Gallery weighs each polished piece, records the Congo origin and photographs the banding before the piece goes online.
View all 50 pieces Request photographs

Telling Solid Malachite From Pressed and Dyed Substitutes

Reconstituted malachite, made by binding crushed stone and pigment in resin, reaches the decor market in volume and copies the colour convincingly. Four checks separate it from solid Congo material, and each of them works from a listing photograph and a stated weight.

Banding logicSolid malachite bands follow the curve of the original botryoidal bud, so rings widen, pinch and run out against a boundary. Pressed material repeats a swirl with no growth logic behind it, in bands of even thickness that never terminate anywhere.
Weight against dimensionsSpecific gravity between 3.6 and 4 makes a four inch malachite sphere genuinely heavy in the hand. Astro Gallery states the weight in grams or pounds on every listing, and a piece weighing far less than its dimensions suggest is resin bound rather than solid.
Surface under raking lightStudy the polish at a shallow angle. Solid malachite takes a hard mirror from tin oxide and shows fine directional lines only where a band changes hardness, while a resin composite reveals soft patches, trapped bubbles and a plastic sheen.
Association and contactChrysocolla, azurite or cuprite growing into the green is difficult to fake and is named in the listing when present. Astro Gallery photographs those contacts closely because they carry the strongest single proof that a piece came out of the ground intact.

Water, Acid and a Mohs 3.5 Surface

Malachite sits at Mohs 3.5 to 4, softer than a copper coin and far below window glass, so it marks against keys, rings and harder minerals and belongs on its own surface rather than in a crowded cabinet. As a carbonate it reacts with acid: vinegar, lemon, descaler and many household sprays etch the polish permanently, while prolonged water contact dulls a mirror finish. Dust dry with a soft cloth, and where a piece needs more, wipe once with a barely damp cloth and dry it immediately.

What Botryoidal, Bullseye and Freeform Mean Here

BotryoidalA growth habit of rounded, grape like masses. Malachite builds these bunches in cavities, and sawing across them produces the banded ribbon figure seen on spheres and freeforms.
BullseyeThe concentric target pattern revealed when a malachite stalactite is sliced across its axis, with rings radiating outward from the original growth tube.
Eye figuringA tight circular knot of banding inside a larger polished face, produced where a single botryoidal bud has been cut through close to its centre.
ChrysocollaA hydrated copper silicate that grows with malachite and adds turquoise blue to the polished face. It is softer than malachite and takes a gentler final polish.
FreeformA polished object shaped to follow the natural outline of the block rather than any geometric form, which keeps the maximum weight and the best of the figure.
Tin oxide polishThe final abrasive stage used on soft carbonates, worked on a felt or leather lap after diamond grits, producing the mirror surface without burning the stone.

Malachite in a Room, as a Gift and in the Crystal Trade

Interior buyers use malachite as the single saturated green in a neutral scheme, setting a sphere on a stack of books, a bowl on a coffee table, or a pair of carved elephants at either end of a console where a lamp can catch the banding. The palm carvings and smaller eggs carry most of the gift buying, particularly for anniversaries and housewarmings. The crystal trade calls malachite a stone of transformation and protection and pairs it with the heart chakra, while feng shui practice places it in the wealth corner. Astro Gallery records locality, weight and finish on every listing and makes no health or energetic claim about any of it.

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Crating, Freight and Insured Delivery on Heavy Stone

Astro Gallery of Gems has shipped soft stone since 1961 and packs malachite to match its hardness: each piece goes into cut foam supporting the polished face without pressure on an edge, then into a double walled carton, with anything above five pounds blocked and crated so the weight cannot travel. Checkout settles through Shop Pay, PayPal, Apple Pay, Google Pay or card, and every parcel leaves tracked and fully insured with customs paperwork completed in advance. The 16 pound spheres and obelisks move by freight against a quote agreed beforehand, under our returns terms and the guarantee published on about us.

See the banding before you buyAsk for the piece photographed under a moving light, the base and the exact dimensions, and our team sends them the same working day.
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Water, Weight, Freight and Authenticity: the Common Questions

Is this polished malachite solid stone or reconstituted?
Every piece here is solid natural malachite cut from Congo rough, with no crushed material or resin binder. Compare the stated weight against the dimensions and follow the banding across the surface, because solid growth rings widen, pinch and terminate while pressed swirls repeat evenly.
How much does polished malachite cost?
Palm sized carvings at gram weights open the range, eggs, spheres and stalactite slices occupy the middle, and the 16 pound spheres and obelisks sit at the top. The table above carries live figures for everything in stock, priced on weight, banding quality and figure.
Where does this malachite come from?
The Katanga copper belt in the Democratic Republic of Congo, with the finest banded material coming from around Kolwezi in Lualaba province. Astro Gallery buys in that region at the rough stage and records the origin on each listing.
Can malachite get wet, and how do I clean it?
Dust it dry with a soft cloth. Malachite is a copper carbonate at Mohs 3.5 to 4, so standing water dulls the polish and any acid, including vinegar and household descaler, etches the surface permanently. Ultrasonic cleaners should never be used on it.
Is malachite safe to keep in the house?
Yes, a polished, sealed surface is safe to display and handle, and the pieces here are finished exactly that way. The hazard belongs to the workshop rather than the shelf, because cutting, drilling or dry sanding malachite releases copper bearing dust, which is why all finishing is done wet.
Which piece works best as a gift?
The malachite owls, panthers, hippos and fish between 145 and 360 grams travel safely, sit in one hand and open the price range. Eggs and small spheres around a pound suit anniversary and housewarming gifts where a piece needs to hold a shelf on its own.
Do you ship a 16 pound malachite sphere overseas?
Yes, heavy pieces are blocked, crated and moved by freight against a quote agreed with you before dispatch, and every shipment travels tracked and fully insured with customs paperwork prepared in advance.
Is the piece in the photograph the one that arrives?
Yes, Astro Gallery photographs each polished piece individually because no two blocks of Congo malachite band the same way, so the rings, eyes and blue chrysocolla or azurite you see are the ones that reach you.

Copper Minerals and the Other Forms Malachite Takes

Buyers chasing this stone follow it across every form it gets cut into, while buyers chasing the copper chemistry move toward azurite, chrysocolla and the specimen pages. Both routes out of here are covered below.

Malachite in other forms
Malachite specimensSpheresPolished eggsStone carvings
Copper minerals and companions
African mineralsFine mineralsMineral specimens
Polished stone at room scale
Home decorLarge carvingsObelisks and towers
Gift sized polished stone
GiftsPalm stonesPolished hearts
Before you order
Shipping and returnsAbout Astro GalleryThe vault