---
product_id: 103617895
title: "Pegmatite Intrusive Igneous Rock - 10 Unpolished Mineral Specimens"
brand: "onlinesciencemall"
price: "AR$17192"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/103617895-pegmatite-intrusive-igneous-rock-10-unpolished-mineral-specimens
store_origin: AR
region: Argentina
---

# Rare earth mineral veins 1-2 inches each 10 unpolished specimens Pegmatite Intrusive Igneous Rock - 10 Unpolished Mineral Specimens

**Brand:** onlinesciencemall
**Price:** AR$17192
**Availability:** ✅ In Stock

## Summary

> 🪨 Rock Your World with Nature's Artistry!

## Quick Answers

- **What is this?** Pegmatite Intrusive Igneous Rock - 10 Unpolished Mineral Specimens by onlinesciencemall
- **How much does it cost?** AR$17192 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/103617895-pegmatite-intrusive-igneous-rock-10-unpolished-mineral-specimens)

## Best For

- onlinesciencemall enthusiasts

## Why This Product

- Trusted onlinesciencemall brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Natural Wonders:** Each specimen showcases the stunning diversity of igneous rocks.
- • **Conversation Starters:** Impress your friends with these geological treasures.
- • **Perfect for Collectors:** A must-have addition to any mineral collection.
- • **Educational and Engaging:** Ideal for classrooms or home learning environments.
- • **Unleash Your Inner Geologist:** Explore the beauty of nature with 10 unique specimens.

## Overview

This set includes 10 unpolished Pegmatite Intrusive Igneous Rock specimens, each measuring 1-2 inches. Known for their large deposits containing rare earth minerals, these specimens are primarily composed of quartz, feldspar, and mica, and can reach lengths of up to 10 meters.

## Description

Pegmatite is a holocrystalline (completely crystalline), intrusive igneous rock. With a basic composition similar to that of granite, Pegmatite tends to be composed of quartz, feldspar, and mica. It is made of interlocking phaneritic crystals that are typically bigger than 2.5cm (or 1 inch) in size. Those crystals are the most striking feature of pegmatites is their crystals, with individual ones having been found at over 10 meters in length.  It is of economic importance, due to often containing rare earth minerals such as tin and tungsten, and gemstones like aquamarine, tourmaline, topaz, fluorite, apatite and corundum.Origin: CO, SD

## Features

- A set of 10 rock samples
- Each specimen measures 1-2 inches along its longest side
- Large deposits are known to contain veins of rare earth minerals
- Typically composed o quartz, feldspar, and mica
- Have been found up o 10m in length

## Images

![Pegmatite Intrusive Igneous Rock - 10 Unpolished Mineral Specimens - Image 1](https://m.media-amazon.com/images/I/71Xx8-WPM+L.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/103617895-pegmatite-intrusive-igneous-rock-10-unpolished-mineral-specimens](https://www.desertcart.com.ar/products/103617895-pegmatite-intrusive-igneous-rock-10-unpolished-mineral-specimens)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-17*